Home / 45,322.28-67,960.08-20,340.92

Finding the Fourth Proportional to 45,322.28, 67,960.08 and 20,340.92

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Solution

The fourth proportional to 45,322.28, 67,960.08 and 20,340.92 is: 30,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,322.28 : 67,960.08 = 20,340.92 : x
  2. Step 2: Convert to fraction form
    45,322.28/67,960.08 = 20,340.92/x
  3. Step 3: Cross multiply
    45,322.28x = 67,960.08 × 20,340.92
  4. Step 4: Simplify right side
    45,322.28x = 1,382,370,210.67
  5. Step 5: Solve for x
    x = 1,382,370,210.67/45,322.28
  6. Step 6: Final answer
    x = 30,500.90

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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.