Home / 61,839.38-85,338.36-34,981.31

Finding the Fourth Proportional to 61,839.38, 85,338.36 and 34,981.31

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Solution

The fourth proportional to 61,839.38, 85,338.36 and 34,981.31 is: 48,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,839.38 : 85,338.36 = 34,981.31 : x
  2. Step 2: Convert to fraction form
    61,839.38/85,338.36 = 34,981.31/x
  3. Step 3: Cross multiply
    61,839.38x = 85,338.36 × 34,981.31
  4. Step 4: Simplify right side
    61,839.38x = 2,985,247,839.40
  5. Step 5: Solve for x
    x = 2,985,247,839.40/61,839.38
  6. Step 6: Final answer
    x = 48,274.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.