Home / 31,402.59-43,335.91-17,255.43

Finding the Fourth Proportional to 31,402.59, 43,335.91 and 17,255.43

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Solution

The fourth proportional to 31,402.59, 43,335.91 and 17,255.43 is: 23,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.59 : 43,335.91 = 17,255.43 : x
  2. Step 2: Convert to fraction form
    31,402.59/43,335.91 = 17,255.43/x
  3. Step 3: Cross multiply
    31,402.59x = 43,335.91 × 17,255.43
  4. Step 4: Simplify right side
    31,402.59x = 747,779,783.06
  5. Step 5: Solve for x
    x = 747,779,783.06/31,402.59
  6. Step 6: Final answer
    x = 23,812.68

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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.