Home / 31,402.71-43,334.91-17,255.58

Finding the Fourth Proportional to 31,402.71, 43,334.91 and 17,255.58

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Solution

The fourth proportional to 31,402.71, 43,334.91 and 17,255.58 is: 23,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.71 : 43,334.91 = 17,255.58 : x
  2. Step 2: Convert to fraction form
    31,402.71/43,334.91 = 17,255.58/x
  3. Step 3: Cross multiply
    31,402.71x = 43,334.91 × 17,255.58
  4. Step 4: Simplify right side
    31,402.71x = 747,769,006.30
  5. Step 5: Solve for x
    x = 747,769,006.30/31,402.71
  6. Step 6: Final answer
    x = 23,812.24

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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.