Home / 66,542.60-99,730.82-33,272.18

Finding the Fourth Proportional to 66,542.60, 99,730.82 and 33,272.18

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Solution

The fourth proportional to 66,542.60, 99,730.82 and 33,272.18 is: 49,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542.60 : 99,730.82 = 33,272.18 : x
  2. Step 2: Convert to fraction form
    66,542.60/99,730.82 = 33,272.18/x
  3. Step 3: Cross multiply
    66,542.60x = 99,730.82 × 33,272.18
  4. Step 4: Simplify right side
    66,542.60x = 3,318,261,379.11
  5. Step 5: Solve for x
    x = 3,318,261,379.11/66,542.60
  6. Step 6: Final answer
    x = 49,866.73

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1.5x scale

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.