Home / 37,186.36-51,317.55-20,190.76

Finding the Fourth Proportional to 37,186.36, 51,317.55 and 20,190.76

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Solution

The fourth proportional to 37,186.36, 51,317.55 and 20,190.76 is: 27,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.36 : 51,317.55 = 20,190.76 : x
  2. Step 2: Convert to fraction form
    37,186.36/51,317.55 = 20,190.76/x
  3. Step 3: Cross multiply
    37,186.36x = 51,317.55 × 20,190.76
  4. Step 4: Simplify right side
    37,186.36x = 1,036,140,207.54
  5. Step 5: Solve for x
    x = 1,036,140,207.54/37,186.36
  6. Step 6: Final answer
    x = 27,863.45

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Half scale
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Double scale
Find fourth proportional to 37,187.36, 51,318.93 and 20,191.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.