Home / 40,643.68-60,949.26-15,669.88

Finding the Fourth Proportional to 40,643.68, 60,949.26 and 15,669.88

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Solution

The fourth proportional to 40,643.68, 60,949.26 and 15,669.88 is: 23,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.68 : 60,949.26 = 15,669.88 : x
  2. Step 2: Convert to fraction form
    40,643.68/60,949.26 = 15,669.88/x
  3. Step 3: Cross multiply
    40,643.68x = 60,949.26 × 15,669.88
  4. Step 4: Simplify right side
    40,643.68x = 955,067,590.29
  5. Step 5: Solve for x
    x = 955,067,590.29/40,643.68
  6. Step 6: Final answer
    x = 23,498.55

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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.