Home / 42,169.26-63,264.84-12,587.10

Finding the Fourth Proportional to 42,169.26, 63,264.84 and 12,587.10

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Solution

The fourth proportional to 42,169.26, 63,264.84 and 12,587.10 is: 18,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.26 : 63,264.84 = 12,587.10 : x
  2. Step 2: Convert to fraction form
    42,169.26/63,264.84 = 12,587.10/x
  3. Step 3: Cross multiply
    42,169.26x = 63,264.84 × 12,587.10
  4. Step 4: Simplify right side
    42,169.26x = 796,320,867.56
  5. Step 5: Solve for x
    x = 796,320,867.56/42,169.26
  6. Step 6: Final answer
    x = 18,883.92

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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.