Home / 49,059.28-73,589.12-13,521.12

Finding the Fourth Proportional to 49,059.28, 73,589.12 and 13,521.12

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Solution

The fourth proportional to 49,059.28, 73,589.12 and 13,521.12 is: 20,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,059.28 : 73,589.12 = 13,521.12 : x
  2. Step 2: Convert to fraction form
    49,059.28/73,589.12 = 13,521.12/x
  3. Step 3: Cross multiply
    49,059.28x = 73,589.12 × 13,521.12
  4. Step 4: Simplify right side
    49,059.28x = 995,007,322.21
  5. Step 5: Solve for x
    x = 995,007,322.21/49,059.28
  6. Step 6: Final answer
    x = 20,281.74

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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.