Home / 40,669.80-60,889.68-25,842

Finding the Fourth Proportional to 40,669.80, 60,889.68 and 25,842

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Solution

The fourth proportional to 40,669.80, 60,889.68 and 25,842 is: 38,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,669.80 : 60,889.68 = 25,842 : x
  2. Step 2: Convert to fraction form
    40,669.80/60,889.68 = 25,842/x
  3. Step 3: Cross multiply
    40,669.80x = 60,889.68 × 25,842
  4. Step 4: Simplify right side
    40,669.80x = 1,573,511,110.56
  5. Step 5: Solve for x
    x = 1,573,511,110.56/40,669.80
  6. Step 6: Final answer
    x = 38,689.92

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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.