Home / 61,319.45-91,939.59-29,281.19

Finding the Fourth Proportional to 61,319.45, 91,939.59 and 29,281.19

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Solution

The fourth proportional to 61,319.45, 91,939.59 and 29,281.19 is: 43,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,319.45 : 91,939.59 = 29,281.19 : x
  2. Step 2: Convert to fraction form
    61,319.45/91,939.59 = 29,281.19/x
  3. Step 3: Cross multiply
    61,319.45x = 91,939.59 × 29,281.19
  4. Step 4: Simplify right side
    61,319.45x = 2,692,100,143.61
  5. Step 5: Solve for x
    x = 2,692,100,143.61/61,319.45
  6. Step 6: Final answer
    x = 43,902.88

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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.