Home / 37,103.96-51,207.16-21,190.81

Finding the Fourth Proportional to 37,103.96, 51,207.16 and 21,190.81

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Solution

The fourth proportional to 37,103.96, 51,207.16 and 21,190.81 is: 29,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,103.96 : 51,207.16 = 21,190.81 : x
  2. Step 2: Convert to fraction form
    37,103.96/51,207.16 = 21,190.81/x
  3. Step 3: Cross multiply
    37,103.96x = 51,207.16 × 21,190.81
  4. Step 4: Simplify right side
    37,103.96x = 1,085,121,017.20
  5. Step 5: Solve for x
    x = 1,085,121,017.20/37,103.96
  6. Step 6: Final answer
    x = 29,245.42

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Double scale
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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.