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Finding the Fourth Proportional to 66,397.44, 91,624.32 and 36,589.44

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Solution

The fourth proportional to 66,397.44, 91,624.32 and 36,589.44 is: 50,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.44 : 91,624.32 = 36,589.44 : x
  2. Step 2: Convert to fraction form
    66,397.44/91,624.32 = 36,589.44/x
  3. Step 3: Cross multiply
    66,397.44x = 91,624.32 × 36,589.44
  4. Step 4: Simplify right side
    66,397.44x = 3,352,482,559.18
  5. Step 5: Solve for x
    x = 3,352,482,559.18/66,397.44
  6. Step 6: Final answer
    x = 50,491.14

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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.