Home / 82,479.04-123,717.46-20,150.08

Finding the Fourth Proportional to 82,479.04, 123,717.46 and 20,150.08

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Solution

The fourth proportional to 82,479.04, 123,717.46 and 20,150.08 is: 30,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,479.04 : 123,717.46 = 20,150.08 : x
  2. Step 2: Convert to fraction form
    82,479.04/123,717.46 = 20,150.08/x
  3. Step 3: Cross multiply
    82,479.04x = 123,717.46 × 20,150.08
  4. Step 4: Simplify right side
    82,479.04x = 2,492,916,716.40
  5. Step 5: Solve for x
    x = 2,492,916,716.40/82,479.04
  6. Step 6: Final answer
    x = 30,224.85

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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.