Home / 82,304.76-123,457.17-19,975.26

Finding the Fourth Proportional to 82,304.76, 123,457.17 and 19,975.26

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Solution

The fourth proportional to 82,304.76, 123,457.17 and 19,975.26 is: 29,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,304.76 : 123,457.17 = 19,975.26 : x
  2. Step 2: Convert to fraction form
    82,304.76/123,457.17 = 19,975.26/x
  3. Step 3: Cross multiply
    82,304.76x = 123,457.17 × 19,975.26
  4. Step 4: Simplify right side
    82,304.76x = 2,466,089,069.61
  5. Step 5: Solve for x
    x = 2,466,089,069.61/82,304.76
  6. Step 6: Final answer
    x = 29,962.90

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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.