Home / 42,375.12-63,565.72-11,210

Finding the Fourth Proportional to 42,375.12, 63,565.72 and 11,210

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Solution

The fourth proportional to 42,375.12, 63,565.72 and 11,210 is: 16,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.12 : 63,565.72 = 11,210 : x
  2. Step 2: Convert to fraction form
    42,375.12/63,565.72 = 11,210/x
  3. Step 3: Cross multiply
    42,375.12x = 63,565.72 × 11,210
  4. Step 4: Simplify right side
    42,375.12x = 712,571,721.20
  5. Step 5: Solve for x
    x = 712,571,721.20/42,375.12
  6. Step 6: Final answer
    x = 16,815.80

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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.