Home / 66,454.38-91,705.91-36,239.76

Finding the Fourth Proportional to 66,454.38, 91,705.91 and 36,239.76

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Solution

The fourth proportional to 66,454.38, 91,705.91 and 36,239.76 is: 50,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.38 : 91,705.91 = 36,239.76 : x
  2. Step 2: Convert to fraction form
    66,454.38/91,705.91 = 36,239.76/x
  3. Step 3: Cross multiply
    66,454.38x = 91,705.91 × 36,239.76
  4. Step 4: Simplify right side
    66,454.38x = 3,323,399,987.78
  5. Step 5: Solve for x
    x = 3,323,399,987.78/66,454.38
  6. Step 6: Final answer
    x = 50,010.25

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1.5x scale

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.