Home / 42,167.20-63,250.88-12,605.84

Finding the Fourth Proportional to 42,167.20, 63,250.88 and 12,605.84

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Solution

The fourth proportional to 42,167.20, 63,250.88 and 12,605.84 is: 18,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,167.20 : 63,250.88 = 12,605.84 : x
  2. Step 2: Convert to fraction form
    42,167.20/63,250.88 = 12,605.84/x
  3. Step 3: Cross multiply
    42,167.20x = 63,250.88 × 12,605.84
  4. Step 4: Simplify right side
    42,167.20x = 797,330,473.14
  5. Step 5: Solve for x
    x = 797,330,473.14/42,167.20
  6. Step 6: Final answer
    x = 18,908.78

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1.5x scale

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.