Home / 61,619.22-85,034.55-34,761.66

Finding the Fourth Proportional to 61,619.22, 85,034.55 and 34,761.66

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Solution

The fourth proportional to 61,619.22, 85,034.55 and 34,761.66 is: 47,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.22 : 85,034.55 = 34,761.66 : x
  2. Step 2: Convert to fraction form
    61,619.22/85,034.55 = 34,761.66/x
  3. Step 3: Cross multiply
    61,619.22x = 85,034.55 × 34,761.66
  4. Step 4: Simplify right side
    61,619.22x = 2,955,942,115.35
  5. Step 5: Solve for x
    x = 2,955,942,115.35/61,619.22
  6. Step 6: Final answer
    x = 47,971.11

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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.