Home / 66,222.77-91,387.85-36,008.42

Finding the Fourth Proportional to 66,222.77, 91,387.85 and 36,008.42

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Solution

The fourth proportional to 66,222.77, 91,387.85 and 36,008.42 is: 49,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.77 : 91,387.85 = 36,008.42 : x
  2. Step 2: Convert to fraction form
    66,222.77/91,387.85 = 36,008.42/x
  3. Step 3: Cross multiply
    66,222.77x = 91,387.85 × 36,008.42
  4. Step 4: Simplify right side
    66,222.77x = 3,290,731,448.72
  5. Step 5: Solve for x
    x = 3,290,731,448.72/66,222.77
  6. Step 6: Final answer
    x = 49,691.85

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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.