Home / 42,192.17-63,288.25-12,609.04

Finding the Fourth Proportional to 42,192.17, 63,288.25 and 12,609.04

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Solution

The fourth proportional to 42,192.17, 63,288.25 and 12,609.04 is: 18,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,192.17 : 63,288.25 = 12,609.04 : x
  2. Step 2: Convert to fraction form
    42,192.17/63,288.25 = 12,609.04/x
  3. Step 3: Cross multiply
    42,192.17x = 63,288.25 × 12,609.04
  4. Step 4: Simplify right side
    42,192.17x = 798,004,075.78
  5. Step 5: Solve for x
    x = 798,004,075.78/42,192.17
  6. Step 6: Final answer
    x = 18,913.56

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Similar ratio
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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.