Home / 42,602.55-63,833.19-25,912.09

Finding the Fourth Proportional to 42,602.55, 63,833.19 and 25,912.09

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Solution

The fourth proportional to 42,602.55, 63,833.19 and 25,912.09 is: 38,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.55 : 63,833.19 = 25,912.09 : x
  2. Step 2: Convert to fraction form
    42,602.55/63,833.19 = 25,912.09/x
  3. Step 3: Cross multiply
    42,602.55x = 63,833.19 × 25,912.09
  4. Step 4: Simplify right side
    42,602.55x = 1,654,051,364.27
  5. Step 5: Solve for x
    x = 1,654,051,364.27/42,602.55
  6. Step 6: Final answer
    x = 38,825.17

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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.