Home / 42,218.58-63,319.23-15,908.82

Finding the Fourth Proportional to 42,218.58, 63,319.23 and 15,908.82

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Solution

The fourth proportional to 42,218.58, 63,319.23 and 15,908.82 is: 23,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218.58 : 63,319.23 = 15,908.82 : x
  2. Step 2: Convert to fraction form
    42,218.58/63,319.23 = 15,908.82/x
  3. Step 3: Cross multiply
    42,218.58x = 63,319.23 × 15,908.82
  4. Step 4: Simplify right side
    42,218.58x = 1,007,334,232.61
  5. Step 5: Solve for x
    x = 1,007,334,232.61/42,218.58
  6. Step 6: Final answer
    x = 23,859.97

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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.