Home / 40,990.39-61,444.53-15,996.04

Finding the Fourth Proportional to 40,990.39, 61,444.53 and 15,996.04

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Solution

The fourth proportional to 40,990.39, 61,444.53 and 15,996.04 is: 23,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.39 : 61,444.53 = 15,996.04 : x
  2. Step 2: Convert to fraction form
    40,990.39/61,444.53 = 15,996.04/x
  3. Step 3: Cross multiply
    40,990.39x = 61,444.53 × 15,996.04
  4. Step 4: Simplify right side
    40,990.39x = 982,869,159.66
  5. Step 5: Solve for x
    x = 982,869,159.66/40,990.39
  6. Step 6: Final answer
    x = 23,978.04

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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.