Home / 61,314.90-84,645.18-40,126.53

Finding the Fourth Proportional to 61,314.90, 84,645.18 and 40,126.53

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Solution

The fourth proportional to 61,314.90, 84,645.18 and 40,126.53 is: 55,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,314.90 : 84,645.18 = 40,126.53 : x
  2. Step 2: Convert to fraction form
    61,314.90/84,645.18 = 40,126.53/x
  3. Step 3: Cross multiply
    61,314.90x = 84,645.18 × 40,126.53
  4. Step 4: Simplify right side
    61,314.90x = 3,396,517,354.63
  5. Step 5: Solve for x
    x = 3,396,517,354.63/61,314.90
  6. Step 6: Final answer
    x = 55,394.65

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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.