Home / 20,037.12-30,029.66-8,177.00

Finding the Fourth Proportional to 20,037.12, 30,029.66 and 8,177.00

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Solution

The fourth proportional to 20,037.12, 30,029.66 and 8,177.00 is: 12,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.12 : 30,029.66 = 8,177.00 : x
  2. Step 2: Convert to fraction form
    20,037.12/30,029.66 = 8,177.00/x
  3. Step 3: Cross multiply
    20,037.12x = 30,029.66 × 8,177.00
  4. Step 4: Simplify right side
    20,037.12x = 245,552,338.79
  5. Step 5: Solve for x
    x = 245,552,338.79/20,037.12
  6. Step 6: Final answer
    x = 12,254.87

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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.