Home / 42,539.14-63,817.82-12,959.36

Finding the Fourth Proportional to 42,539.14, 63,817.82 and 12,959.36

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Solution

The fourth proportional to 42,539.14, 63,817.82 and 12,959.36 is: 19,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.14 : 63,817.82 = 12,959.36 : x
  2. Step 2: Convert to fraction form
    42,539.14/63,817.82 = 12,959.36/x
  3. Step 3: Cross multiply
    42,539.14x = 63,817.82 × 12,959.36
  4. Step 4: Simplify right side
    42,539.14x = 827,038,103.80
  5. Step 5: Solve for x
    x = 827,038,103.80/42,539.14
  6. Step 6: Final answer
    x = 19,441.82

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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.