Home / 66,458.27-91,712.05-36,243.52

Finding the Fourth Proportional to 66,458.27, 91,712.05 and 36,243.52

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Solution

The fourth proportional to 66,458.27, 91,712.05 and 36,243.52 is: 50,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,458.27 : 91,712.05 = 36,243.52 : x
  2. Step 2: Convert to fraction form
    66,458.27/91,712.05 = 36,243.52/x
  3. Step 3: Cross multiply
    66,458.27x = 91,712.05 × 36,243.52
  4. Step 4: Simplify right side
    66,458.27x = 3,323,967,198.53
  5. Step 5: Solve for x
    x = 3,323,967,198.53/66,458.27
  6. Step 6: Final answer
    x = 50,015.85

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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.