Home / 55,234.08-82,826.51-20,149.13

Finding the Fourth Proportional to 55,234.08, 82,826.51 and 20,149.13

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Solution

The fourth proportional to 55,234.08, 82,826.51 and 20,149.13 is: 30,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.08 : 82,826.51 = 20,149.13 : x
  2. Step 2: Convert to fraction form
    55,234.08/82,826.51 = 20,149.13/x
  3. Step 3: Cross multiply
    55,234.08x = 82,826.51 × 20,149.13
  4. Step 4: Simplify right side
    55,234.08x = 1,668,881,602.56
  5. Step 5: Solve for x
    x = 1,668,881,602.56/55,234.08
  6. Step 6: Final answer
    x = 30,214.71

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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.