Home / 82,945.67-124,418.60-20,616.17

Finding the Fourth Proportional to 82,945.67, 124,418.60 and 20,616.17

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Solution

The fourth proportional to 82,945.67, 124,418.60 and 20,616.17 is: 30,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945.67 : 124,418.60 = 20,616.17 : x
  2. Step 2: Convert to fraction form
    82,945.67/124,418.60 = 20,616.17/x
  3. Step 3: Cross multiply
    82,945.67x = 124,418.60 × 20,616.17
  4. Step 4: Simplify right side
    82,945.67x = 2,565,034,283.59
  5. Step 5: Solve for x
    x = 2,565,034,283.59/82,945.67
  6. Step 6: Final answer
    x = 30,924.27

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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.