Home / 42,404.10-63,606.15-12,842.70

Finding the Fourth Proportional to 42,404.10, 63,606.15 and 12,842.70

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Solution

The fourth proportional to 42,404.10, 63,606.15 and 12,842.70 is: 19,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,404.10 : 63,606.15 = 12,842.70 : x
  2. Step 2: Convert to fraction form
    42,404.10/63,606.15 = 12,842.70/x
  3. Step 3: Cross multiply
    42,404.10x = 63,606.15 × 12,842.70
  4. Step 4: Simplify right side
    42,404.10x = 816,874,702.61
  5. Step 5: Solve for x
    x = 816,874,702.61/42,404.10
  6. Step 6: Final answer
    x = 19,264.05

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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.