Home / 42,329.62-63,369.82-31,285.54

Finding the Fourth Proportional to 42,329.62, 63,369.82 and 31,285.54

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Solution

The fourth proportional to 42,329.62, 63,369.82 and 31,285.54 is: 46,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,329.62 : 63,369.82 = 31,285.54 : x
  2. Step 2: Convert to fraction form
    42,329.62/63,369.82 = 31,285.54/x
  3. Step 3: Cross multiply
    42,329.62x = 63,369.82 × 31,285.54
  4. Step 4: Simplify right side
    42,329.62x = 1,982,558,565.13
  5. Step 5: Solve for x
    x = 1,982,558,565.13/42,329.62
  6. Step 6: Final answer
    x = 46,836.21

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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.