Home / 42,129.65-63,202.76-14,049.33

Finding the Fourth Proportional to 42,129.65, 63,202.76 and 14,049.33

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Solution

The fourth proportional to 42,129.65, 63,202.76 and 14,049.33 is: 21,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.65 : 63,202.76 = 14,049.33 : x
  2. Step 2: Convert to fraction form
    42,129.65/63,202.76 = 14,049.33/x
  3. Step 3: Cross multiply
    42,129.65x = 63,202.76 × 14,049.33
  4. Step 4: Simplify right side
    42,129.65x = 887,956,361.90
  5. Step 5: Solve for x
    x = 887,956,361.90/42,129.65
  6. Step 6: Final answer
    x = 21,076.76

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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.