Home / 42,336.54-63,509.13-11,171.79

Finding the Fourth Proportional to 42,336.54, 63,509.13 and 11,171.79

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Solution

The fourth proportional to 42,336.54, 63,509.13 and 11,171.79 is: 16,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.54 : 63,509.13 = 11,171.79 : x
  2. Step 2: Convert to fraction form
    42,336.54/63,509.13 = 11,171.79/x
  3. Step 3: Cross multiply
    42,336.54x = 63,509.13 × 11,171.79
  4. Step 4: Simplify right side
    42,336.54x = 709,510,663.44
  5. Step 5: Solve for x
    x = 709,510,663.44/42,336.54
  6. Step 6: Final answer
    x = 16,758.82

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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.