Home / 61,042.50-91,565.37-19,489.50

Finding the Fourth Proportional to 61,042.50, 91,565.37 and 19,489.50

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Solution

The fourth proportional to 61,042.50, 91,565.37 and 19,489.50 is: 29,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042.50 : 91,565.37 = 19,489.50 : x
  2. Step 2: Convert to fraction form
    61,042.50/91,565.37 = 19,489.50/x
  3. Step 3: Cross multiply
    61,042.50x = 91,565.37 × 19,489.50
  4. Step 4: Simplify right side
    61,042.50x = 1,784,563,278.62
  5. Step 5: Solve for x
    x = 1,784,563,278.62/61,042.50
  6. Step 6: Final answer
    x = 29,234.77

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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.