Home / 42,171.32-63,208.24-15,859.28

Finding the Fourth Proportional to 42,171.32, 63,208.24 and 15,859.28

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Solution

The fourth proportional to 42,171.32, 63,208.24 and 15,859.28 is: 23,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,171.32 : 63,208.24 = 15,859.28 : x
  2. Step 2: Convert to fraction form
    42,171.32/63,208.24 = 15,859.28/x
  3. Step 3: Cross multiply
    42,171.32x = 63,208.24 × 15,859.28
  4. Step 4: Simplify right side
    42,171.32x = 1,002,437,176.47
  5. Step 5: Solve for x
    x = 1,002,437,176.47/42,171.32
  6. Step 6: Final answer
    x = 23,770.59

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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.