Home / 42,605.23-63,864.55-17,658.85

Finding the Fourth Proportional to 42,605.23, 63,864.55 and 17,658.85

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Solution

The fourth proportional to 42,605.23, 63,864.55 and 17,658.85 is: 26,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605.23 : 63,864.55 = 17,658.85 : x
  2. Step 2: Convert to fraction form
    42,605.23/63,864.55 = 17,658.85/x
  3. Step 3: Cross multiply
    42,605.23x = 63,864.55 × 17,658.85
  4. Step 4: Simplify right side
    42,605.23x = 1,127,774,508.77
  5. Step 5: Solve for x
    x = 1,127,774,508.77/42,605.23
  6. Step 6: Final answer
    x = 26,470.33

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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.