Home / 37,112.07-51,214.47-20,116.25

Finding the Fourth Proportional to 37,112.07, 51,214.47 and 20,116.25

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Solution

The fourth proportional to 37,112.07, 51,214.47 and 20,116.25 is: 27,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.07 : 51,214.47 = 20,116.25 : x
  2. Step 2: Convert to fraction form
    37,112.07/51,214.47 = 20,116.25/x
  3. Step 3: Cross multiply
    37,112.07x = 51,214.47 × 20,116.25
  4. Step 4: Simplify right side
    37,112.07x = 1,030,243,082.14
  5. Step 5: Solve for x
    x = 1,030,243,082.14/37,112.07
  6. Step 6: Final answer
    x = 27,760.32

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Half scale
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Double scale
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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.