Home / 60,884.96-91,286.12-21,436.88

Finding the Fourth Proportional to 60,884.96, 91,286.12 and 21,436.88

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Solution

The fourth proportional to 60,884.96, 91,286.12 and 21,436.88 is: 32,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,884.96 : 91,286.12 = 21,436.88 : x
  2. Step 2: Convert to fraction form
    60,884.96/91,286.12 = 21,436.88/x
  3. Step 3: Cross multiply
    60,884.96x = 91,286.12 × 21,436.88
  4. Step 4: Simplify right side
    60,884.96x = 1,956,889,197.27
  5. Step 5: Solve for x
    x = 1,956,889,197.27/60,884.96
  6. Step 6: Final answer
    x = 32,140.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.