Home / 40,318.75-60,500-19,542.25

Finding the Fourth Proportional to 40,318.75, 60,500 and 19,542.25

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Solution

The fourth proportional to 40,318.75, 60,500 and 19,542.25 is: 29,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.75 : 60,500 = 19,542.25 : x
  2. Step 2: Convert to fraction form
    40,318.75/60,500 = 19,542.25/x
  3. Step 3: Cross multiply
    40,318.75x = 60,500 × 19,542.25
  4. Step 4: Simplify right side
    40,318.75x = 1,182,306,125
  5. Step 5: Solve for x
    x = 1,182,306,125/40,318.75
  6. Step 6: Final answer
    x = 29,323.98

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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.