Home / 82,808.38-124,214.61-30,217.84

Finding the Fourth Proportional to 82,808.38, 124,214.61 and 30,217.84

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Solution

The fourth proportional to 82,808.38, 124,214.61 and 30,217.84 is: 45,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,808.38 : 124,214.61 = 30,217.84 : x
  2. Step 2: Convert to fraction form
    82,808.38/124,214.61 = 30,217.84/x
  3. Step 3: Cross multiply
    82,808.38x = 124,214.61 × 30,217.84
  4. Step 4: Simplify right side
    82,808.38x = 3,753,497,210.64
  5. Step 5: Solve for x
    x = 3,753,497,210.64/82,808.38
  6. Step 6: Final answer
    x = 45,327.50

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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.