Home / 40,680.28-56,136-22,529.68

Finding the Fourth Proportional to 40,680.28, 56,136 and 22,529.68

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Solution

The fourth proportional to 40,680.28, 56,136 and 22,529.68 is: 31,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.28 : 56,136 = 22,529.68 : x
  2. Step 2: Convert to fraction form
    40,680.28/56,136 = 22,529.68/x
  3. Step 3: Cross multiply
    40,680.28x = 56,136 × 22,529.68
  4. Step 4: Simplify right side
    40,680.28x = 1,264,726,116.48
  5. Step 5: Solve for x
    x = 1,264,726,116.48/40,680.28
  6. Step 6: Final answer
    x = 31,089.42

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Double scale
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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.