Home / 66,281.31-91,471.55-37,986.93

Finding the Fourth Proportional to 66,281.31, 91,471.55 and 37,986.93

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Solution

The fourth proportional to 66,281.31, 91,471.55 and 37,986.93 is: 52,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.31 : 91,471.55 = 37,986.93 : x
  2. Step 2: Convert to fraction form
    66,281.31/91,471.55 = 37,986.93/x
  3. Step 3: Cross multiply
    66,281.31x = 91,471.55 × 37,986.93
  4. Step 4: Simplify right side
    66,281.31x = 3,474,723,176.91
  5. Step 5: Solve for x
    x = 3,474,723,176.91/66,281.31
  6. Step 6: Final answer
    x = 52,423.88

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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.