Home / 30,266.16-41,793.72-20,358.96

Finding the Fourth Proportional to 30,266.16, 41,793.72 and 20,358.96

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Solution

The fourth proportional to 30,266.16, 41,793.72 and 20,358.96 is: 28,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.16 : 41,793.72 = 20,358.96 : x
  2. Step 2: Convert to fraction form
    30,266.16/41,793.72 = 20,358.96/x
  3. Step 3: Cross multiply
    30,266.16x = 41,793.72 × 20,358.96
  4. Step 4: Simplify right side
    30,266.16x = 850,876,673.73
  5. Step 5: Solve for x
    x = 850,876,673.73/30,266.16
  6. Step 6: Final answer
    x = 28,113.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.