Home / 20,284.46-30,423.17-5,489.92

Finding the Fourth Proportional to 20,284.46, 30,423.17 and 5,489.92

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Solution

The fourth proportional to 20,284.46, 30,423.17 and 5,489.92 is: 8,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.46 : 30,423.17 = 5,489.92 : x
  2. Step 2: Convert to fraction form
    20,284.46/30,423.17 = 5,489.92/x
  3. Step 3: Cross multiply
    20,284.46x = 30,423.17 × 5,489.92
  4. Step 4: Simplify right side
    20,284.46x = 167,020,707.11
  5. Step 5: Solve for x
    x = 167,020,707.11/20,284.46
  6. Step 6: Final answer
    x = 8,233.93

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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.