Home / 20,339.60-30,506.22-5,549.72

Finding the Fourth Proportional to 20,339.60, 30,506.22 and 5,549.72

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Solution

The fourth proportional to 20,339.60, 30,506.22 and 5,549.72 is: 8,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339.60 : 30,506.22 = 5,549.72 : x
  2. Step 2: Convert to fraction form
    20,339.60/30,506.22 = 5,549.72/x
  3. Step 3: Cross multiply
    20,339.60x = 30,506.22 × 5,549.72
  4. Step 4: Simplify right side
    20,339.60x = 169,300,826.73
  5. Step 5: Solve for x
    x = 169,300,826.73/20,339.60
  6. Step 6: Final answer
    x = 8,323.71

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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.