Home / 60,436.20-90,654.90-18,316.38

Finding the Fourth Proportional to 60,436.20, 90,654.90 and 18,316.38

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Solution

The fourth proportional to 60,436.20, 90,654.90 and 18,316.38 is: 27,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,436.20 : 90,654.90 = 18,316.38 : x
  2. Step 2: Convert to fraction form
    60,436.20/90,654.90 = 18,316.38/x
  3. Step 3: Cross multiply
    60,436.20x = 90,654.90 × 18,316.38
  4. Step 4: Simplify right side
    60,436.20x = 1,660,469,597.26
  5. Step 5: Solve for x
    x = 1,660,469,597.26/60,436.20
  6. Step 6: Final answer
    x = 27,474.75

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1.5x scale

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.