Home / 40,472.10-60,708.15-31,130.10

Finding the Fourth Proportional to 40,472.10, 60,708.15 and 31,130.10

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Solution

The fourth proportional to 40,472.10, 60,708.15 and 31,130.10 is: 46,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,472.10 : 60,708.15 = 31,130.10 : x
  2. Step 2: Convert to fraction form
    40,472.10/60,708.15 = 31,130.10/x
  3. Step 3: Cross multiply
    40,472.10x = 60,708.15 × 31,130.10
  4. Step 4: Simplify right side
    40,472.10x = 1,889,850,780.32
  5. Step 5: Solve for x
    x = 1,889,850,780.32/40,472.10
  6. Step 6: Final answer
    x = 46,695.15

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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.