Home / 41,981.15-62,999.40-15,685.89

Finding the Fourth Proportional to 41,981.15, 62,999.40 and 15,685.89

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Solution

The fourth proportional to 41,981.15, 62,999.40 and 15,685.89 is: 23,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.15 : 62,999.40 = 15,685.89 : x
  2. Step 2: Convert to fraction form
    41,981.15/62,999.40 = 15,685.89/x
  3. Step 3: Cross multiply
    41,981.15x = 62,999.40 × 15,685.89
  4. Step 4: Simplify right side
    41,981.15x = 988,201,658.47
  5. Step 5: Solve for x
    x = 988,201,658.47/41,981.15
  6. Step 6: Final answer
    x = 23,539.18

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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.