Home / 42,049.92-63,076.32-13,971.36

Finding the Fourth Proportional to 42,049.92, 63,076.32 and 13,971.36

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Solution

The fourth proportional to 42,049.92, 63,076.32 and 13,971.36 is: 20,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,049.92 : 63,076.32 = 13,971.36 : x
  2. Step 2: Convert to fraction form
    42,049.92/63,076.32 = 13,971.36/x
  3. Step 3: Cross multiply
    42,049.92x = 63,076.32 × 13,971.36
  4. Step 4: Simplify right side
    42,049.92x = 881,261,974.20
  5. Step 5: Solve for x
    x = 881,261,974.20/42,049.92
  6. Step 6: Final answer
    x = 20,957.52

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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.