Home / 42,474.66-63,712.87-15,456.08

Finding the Fourth Proportional to 42,474.66, 63,712.87 and 15,456.08

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Solution

The fourth proportional to 42,474.66, 63,712.87 and 15,456.08 is: 23,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,474.66 : 63,712.87 = 15,456.08 : x
  2. Step 2: Convert to fraction form
    42,474.66/63,712.87 = 15,456.08/x
  3. Step 3: Cross multiply
    42,474.66x = 63,712.87 × 15,456.08
  4. Step 4: Simplify right side
    42,474.66x = 984,750,858.55
  5. Step 5: Solve for x
    x = 984,750,858.55/42,474.66
  6. Step 6: Final answer
    x = 23,184.43

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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.