Home / 82,634.04-123,949.96-20,305.08

Finding the Fourth Proportional to 82,634.04, 123,949.96 and 20,305.08

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Solution

The fourth proportional to 82,634.04, 123,949.96 and 20,305.08 is: 30,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,634.04 : 123,949.96 = 20,305.08 : x
  2. Step 2: Convert to fraction form
    82,634.04/123,949.96 = 20,305.08/x
  3. Step 3: Cross multiply
    82,634.04x = 123,949.96 × 20,305.08
  4. Step 4: Simplify right side
    82,634.04x = 2,516,813,853.80
  5. Step 5: Solve for x
    x = 2,516,813,853.80/82,634.04
  6. Step 6: Final answer
    x = 30,457.35

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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.