Home / 31,402.22-43,335.81-17,255.43

Finding the Fourth Proportional to 31,402.22, 43,335.81 and 17,255.43

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Solution

The fourth proportional to 31,402.22, 43,335.81 and 17,255.43 is: 23,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.22 : 43,335.81 = 17,255.43 : x
  2. Step 2: Convert to fraction form
    31,402.22/43,335.81 = 17,255.43/x
  3. Step 3: Cross multiply
    31,402.22x = 43,335.81 × 17,255.43
  4. Step 4: Simplify right side
    31,402.22x = 747,778,035.95
  5. Step 5: Solve for x
    x = 747,778,035.95/31,402.22
  6. Step 6: Final answer
    x = 23,812.91

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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.