Home / 42,057.92-63,178.46-25,425.79

Finding the Fourth Proportional to 42,057.92, 63,178.46 and 25,425.79

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Solution

The fourth proportional to 42,057.92, 63,178.46 and 25,425.79 is: 38,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,057.92 : 63,178.46 = 25,425.79 : x
  2. Step 2: Convert to fraction form
    42,057.92/63,178.46 = 25,425.79/x
  3. Step 3: Cross multiply
    42,057.92x = 63,178.46 × 25,425.79
  4. Step 4: Simplify right side
    42,057.92x = 1,606,362,256.48
  5. Step 5: Solve for x
    x = 1,606,362,256.48/42,057.92
  6. Step 6: Final answer
    x = 38,194.05

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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.