Home / 42,285.76-63,459.42-34,065.04

Finding the Fourth Proportional to 42,285.76, 63,459.42 and 34,065.04

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Solution

The fourth proportional to 42,285.76, 63,459.42 and 34,065.04 is: 51,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.76 : 63,459.42 = 34,065.04 : x
  2. Step 2: Convert to fraction form
    42,285.76/63,459.42 = 34,065.04/x
  3. Step 3: Cross multiply
    42,285.76x = 63,459.42 × 34,065.04
  4. Step 4: Simplify right side
    42,285.76x = 2,161,747,680.68
  5. Step 5: Solve for x
    x = 2,161,747,680.68/42,285.76
  6. Step 6: Final answer
    x = 51,122.36

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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.