Home / 42,454.45-63,611.97-25,819.30

Finding the Fourth Proportional to 42,454.45, 63,611.97 and 25,819.30

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Solution

The fourth proportional to 42,454.45, 63,611.97 and 25,819.30 is: 38,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,454.45 : 63,611.97 = 25,819.30 : x
  2. Step 2: Convert to fraction form
    42,454.45/63,611.97 = 25,819.30/x
  3. Step 3: Cross multiply
    42,454.45x = 63,611.97 × 25,819.30
  4. Step 4: Simplify right side
    42,454.45x = 1,642,416,537.02
  5. Step 5: Solve for x
    x = 1,642,416,537.02/42,454.45
  6. Step 6: Final answer
    x = 38,686.56

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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.