Home / 42,161.25-63,235.50-15,859.88

Finding the Fourth Proportional to 42,161.25, 63,235.50 and 15,859.88

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Solution

The fourth proportional to 42,161.25, 63,235.50 and 15,859.88 is: 23,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.25 : 63,235.50 = 15,859.88 : x
  2. Step 2: Convert to fraction form
    42,161.25/63,235.50 = 15,859.88/x
  3. Step 3: Cross multiply
    42,161.25x = 63,235.50 × 15,859.88
  4. Step 4: Simplify right side
    42,161.25x = 1,002,907,441.74
  5. Step 5: Solve for x
    x = 1,002,907,441.74/42,161.25
  6. Step 6: Final answer
    x = 23,787.42

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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.