Home / 42,277.20-63,357.48-31,877.52

Finding the Fourth Proportional to 42,277.20, 63,357.48 and 31,877.52

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Solution

The fourth proportional to 42,277.20, 63,357.48 and 31,877.52 is: 47,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277.20 : 63,357.48 = 31,877.52 : x
  2. Step 2: Convert to fraction form
    42,277.20/63,357.48 = 31,877.52/x
  3. Step 3: Cross multiply
    42,277.20x = 63,357.48 × 31,877.52
  4. Step 4: Simplify right side
    42,277.20x = 2,019,679,335.85
  5. Step 5: Solve for x
    x = 2,019,679,335.85/42,277.20
  6. Step 6: Final answer
    x = 47,772.31

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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.