Home / 40,337.76-60,451.15-20,574.71

Finding the Fourth Proportional to 40,337.76, 60,451.15 and 20,574.71

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Solution

The fourth proportional to 40,337.76, 60,451.15 and 20,574.71 is: 30,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,337.76 : 60,451.15 = 20,574.71 : x
  2. Step 2: Convert to fraction form
    40,337.76/60,451.15 = 20,574.71/x
  3. Step 3: Cross multiply
    40,337.76x = 60,451.15 × 20,574.71
  4. Step 4: Simplify right side
    40,337.76x = 1,243,764,880.42
  5. Step 5: Solve for x
    x = 1,243,764,880.42/40,337.76
  6. Step 6: Final answer
    x = 30,833.76

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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.