Home / 40,228.48-60,375.90-20,243.62

Finding the Fourth Proportional to 40,228.48, 60,375.90 and 20,243.62

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Solution

The fourth proportional to 40,228.48, 60,375.90 and 20,243.62 is: 30,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.48 : 60,375.90 = 20,243.62 : x
  2. Step 2: Convert to fraction form
    40,228.48/60,375.90 = 20,243.62/x
  3. Step 3: Cross multiply
    40,228.48x = 60,375.90 × 20,243.62
  4. Step 4: Simplify right side
    40,228.48x = 1,222,226,776.76
  5. Step 5: Solve for x
    x = 1,222,226,776.76/40,228.48
  6. Step 6: Final answer
    x = 30,382.13

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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.