Home / 40,966.32-61,468.72-21,234.16

Finding the Fourth Proportional to 40,966.32, 61,468.72 and 21,234.16

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Solution

The fourth proportional to 40,966.32, 61,468.72 and 21,234.16 is: 31,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.32 : 61,468.72 = 21,234.16 : x
  2. Step 2: Convert to fraction form
    40,966.32/61,468.72 = 21,234.16/x
  3. Step 3: Cross multiply
    40,966.32x = 61,468.72 × 21,234.16
  4. Step 4: Simplify right side
    40,966.32x = 1,305,236,635.48
  5. Step 5: Solve for x
    x = 1,305,236,635.48/40,966.32
  6. Step 6: Final answer
    x = 31,861.21

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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.