Home / 40,289.55-60,471.24-21,590.70

Finding the Fourth Proportional to 40,289.55, 60,471.24 and 21,590.70

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Solution

The fourth proportional to 40,289.55, 60,471.24 and 21,590.70 is: 32,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.55 : 60,471.24 = 21,590.70 : x
  2. Step 2: Convert to fraction form
    40,289.55/60,471.24 = 21,590.70/x
  3. Step 3: Cross multiply
    40,289.55x = 60,471.24 × 21,590.70
  4. Step 4: Simplify right side
    40,289.55x = 1,305,616,401.47
  5. Step 5: Solve for x
    x = 1,305,616,401.47/40,289.55
  6. Step 6: Final answer
    x = 32,405.83

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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.