Home / 40,327.80-60,443.10-20,596.20

Finding the Fourth Proportional to 40,327.80, 60,443.10 and 20,596.20

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Solution

The fourth proportional to 40,327.80, 60,443.10 and 20,596.20 is: 30,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.80 : 60,443.10 = 20,596.20 : x
  2. Step 2: Convert to fraction form
    40,327.80/60,443.10 = 20,596.20/x
  3. Step 3: Cross multiply
    40,327.80x = 60,443.10 × 20,596.20
  4. Step 4: Simplify right side
    40,327.80x = 1,244,898,176.22
  5. Step 5: Solve for x
    x = 1,244,898,176.22/40,327.80
  6. Step 6: Final answer
    x = 30,869.48

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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.