Home / 66,417.12-91,654.40-36,202.24

Finding the Fourth Proportional to 66,417.12, 91,654.40 and 36,202.24

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Solution

The fourth proportional to 66,417.12, 91,654.40 and 36,202.24 is: 49,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,417.12 : 91,654.40 = 36,202.24 : x
  2. Step 2: Convert to fraction form
    66,417.12/91,654.40 = 36,202.24/x
  3. Step 3: Cross multiply
    66,417.12x = 91,654.40 × 36,202.24
  4. Step 4: Simplify right side
    66,417.12x = 3,318,094,585.86
  5. Step 5: Solve for x
    x = 3,318,094,585.86/66,417.12
  6. Step 6: Final answer
    x = 49,958.42

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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.