Home / 42,394.40-63,562.80-16,095.20

Finding the Fourth Proportional to 42,394.40, 63,562.80 and 16,095.20

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Solution

The fourth proportional to 42,394.40, 63,562.80 and 16,095.20 is: 24,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,394.40 : 63,562.80 = 16,095.20 : x
  2. Step 2: Convert to fraction form
    42,394.40/63,562.80 = 16,095.20/x
  3. Step 3: Cross multiply
    42,394.40x = 63,562.80 × 16,095.20
  4. Step 4: Simplify right side
    42,394.40x = 1,023,055,978.56
  5. Step 5: Solve for x
    x = 1,023,055,978.56/42,394.40
  6. Step 6: Final answer
    x = 24,131.87

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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.