Home / 66,338.64-91,544.27-36,123.84

Finding the Fourth Proportional to 66,338.64, 91,544.27 and 36,123.84

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Solution

The fourth proportional to 66,338.64, 91,544.27 and 36,123.84 is: 49,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.64 : 91,544.27 = 36,123.84 : x
  2. Step 2: Convert to fraction form
    66,338.64/91,544.27 = 36,123.84/x
  3. Step 3: Cross multiply
    66,338.64x = 91,544.27 × 36,123.84
  4. Step 4: Simplify right side
    66,338.64x = 3,306,930,381.78
  5. Step 5: Solve for x
    x = 3,306,930,381.78/66,338.64
  6. Step 6: Final answer
    x = 49,849.23

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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.