Home / 55,082.16-82,618.92-20,029.68

Finding the Fourth Proportional to 55,082.16, 82,618.92 and 20,029.68

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Solution

The fourth proportional to 55,082.16, 82,618.92 and 20,029.68 is: 30,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,082.16 : 82,618.92 = 20,029.68 : x
  2. Step 2: Convert to fraction form
    55,082.16/82,618.92 = 20,029.68/x
  3. Step 3: Cross multiply
    55,082.16x = 82,618.92 × 20,029.68
  4. Step 4: Simplify right side
    55,082.16x = 1,654,830,529.55
  5. Step 5: Solve for x
    x = 1,654,830,529.55/55,082.16
  6. Step 6: Final answer
    x = 30,042.95

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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.