Home / 42,591.22-63,838.40-25,914.51

Finding the Fourth Proportional to 42,591.22, 63,838.40 and 25,914.51

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Solution

The fourth proportional to 42,591.22, 63,838.40 and 25,914.51 is: 38,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,591.22 : 63,838.40 = 25,914.51 : x
  2. Step 2: Convert to fraction form
    42,591.22/63,838.40 = 25,914.51/x
  3. Step 3: Cross multiply
    42,591.22x = 63,838.40 × 25,914.51
  4. Step 4: Simplify right side
    42,591.22x = 1,654,340,725.61
  5. Step 5: Solve for x
    x = 1,654,340,725.61/42,591.22
  6. Step 6: Final answer
    x = 38,842.30

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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.