Home / 83,736.56-125,605.08-20,556.92

Finding the Fourth Proportional to 83,736.56, 125,605.08 and 20,556.92

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Solution

The fourth proportional to 83,736.56, 125,605.08 and 20,556.92 is: 30,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.56 : 125,605.08 = 20,556.92 : x
  2. Step 2: Convert to fraction form
    83,736.56/125,605.08 = 20,556.92/x
  3. Step 3: Cross multiply
    83,736.56x = 125,605.08 × 20,556.92
  4. Step 4: Simplify right side
    83,736.56x = 2,582,053,581.15
  5. Step 5: Solve for x
    x = 2,582,053,581.15/83,736.56
  6. Step 6: Final answer
    x = 30,835.44

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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.