Home / 42,585.30-63,887.30-12,597.20

Finding the Fourth Proportional to 42,585.30, 63,887.30 and 12,597.20

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Solution

The fourth proportional to 42,585.30, 63,887.30 and 12,597.20 is: 18,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,585.30 : 63,887.30 = 12,597.20 : x
  2. Step 2: Convert to fraction form
    42,585.30/63,887.30 = 12,597.20/x
  3. Step 3: Cross multiply
    42,585.30x = 63,887.30 × 12,597.20
  4. Step 4: Simplify right side
    42,585.30x = 804,800,713.14
  5. Step 5: Solve for x
    x = 804,800,713.14/42,585.30
  6. Step 6: Final answer
    x = 18,898.56

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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.