Home / 42,537.54-63,815.54-12,954.61

Finding the Fourth Proportional to 42,537.54, 63,815.54 and 12,954.61

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Solution

The fourth proportional to 42,537.54, 63,815.54 and 12,954.61 is: 19,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,537.54 : 63,815.54 = 12,954.61 : x
  2. Step 2: Convert to fraction form
    42,537.54/63,815.54 = 12,954.61/x
  3. Step 3: Cross multiply
    42,537.54x = 63,815.54 × 12,954.61
  4. Step 4: Simplify right side
    42,537.54x = 826,705,432.64
  5. Step 5: Solve for x
    x = 826,705,432.64/42,537.54
  6. Step 6: Final answer
    x = 19,434.73

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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.