Home / 42,474.38-63,711.77-11,309.63

Finding the Fourth Proportional to 42,474.38, 63,711.77 and 11,309.63

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Solution

The fourth proportional to 42,474.38, 63,711.77 and 11,309.63 is: 16,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,474.38 : 63,711.77 = 11,309.63 : x
  2. Step 2: Convert to fraction form
    42,474.38/63,711.77 = 11,309.63/x
  3. Step 3: Cross multiply
    42,474.38x = 63,711.77 × 11,309.63
  4. Step 4: Simplify right side
    42,474.38x = 720,556,170.24
  5. Step 5: Solve for x
    x = 720,556,170.24/42,474.38
  6. Step 6: Final answer
    x = 16,964.49

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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.