Home / 71,824.92-107,687.32-31,822.16

Finding the Fourth Proportional to 71,824.92, 107,687.32 and 31,822.16

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Solution

The fourth proportional to 71,824.92, 107,687.32 and 31,822.16 is: 47,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,824.92 : 107,687.32 = 31,822.16 : x
  2. Step 2: Convert to fraction form
    71,824.92/107,687.32 = 31,822.16/x
  3. Step 3: Cross multiply
    71,824.92x = 107,687.32 × 31,822.16
  4. Step 4: Simplify right side
    71,824.92x = 3,426,843,127.01
  5. Step 5: Solve for x
    x = 3,426,843,127.01/71,824.92
  6. Step 6: Final answer
    x = 47,711.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.