Home / 82,834.82-124,252.22-20,505.32

Finding the Fourth Proportional to 82,834.82, 124,252.22 and 20,505.32

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Solution

The fourth proportional to 82,834.82, 124,252.22 and 20,505.32 is: 30,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,834.82 : 124,252.22 = 20,505.32 : x
  2. Step 2: Convert to fraction form
    82,834.82/124,252.22 = 20,505.32/x
  3. Step 3: Cross multiply
    82,834.82x = 124,252.22 × 20,505.32
  4. Step 4: Simplify right side
    82,834.82x = 2,547,830,910.55
  5. Step 5: Solve for x
    x = 2,547,830,910.55/82,834.82
  6. Step 6: Final answer
    x = 30,757.97

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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.