Home / 40,839.39-61,262.87-15,881.32

Finding the Fourth Proportional to 40,839.39, 61,262.87 and 15,881.32

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Solution

The fourth proportional to 40,839.39, 61,262.87 and 15,881.32 is: 23,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.39 : 61,262.87 = 15,881.32 : x
  2. Step 2: Convert to fraction form
    40,839.39/61,262.87 = 15,881.32/x
  3. Step 3: Cross multiply
    40,839.39x = 61,262.87 × 15,881.32
  4. Step 4: Simplify right side
    40,839.39x = 972,934,895.16
  5. Step 5: Solve for x
    x = 972,934,895.16/40,839.39
  6. Step 6: Final answer
    x = 23,823.44

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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.