Home / 40,614.66-60,931.70-20,574.18

Finding the Fourth Proportional to 40,614.66, 60,931.70 and 20,574.18

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Solution

The fourth proportional to 40,614.66, 60,931.70 and 20,574.18 is: 30,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,614.66 : 60,931.70 = 20,574.18 : x
  2. Step 2: Convert to fraction form
    40,614.66/60,931.70 = 20,574.18/x
  3. Step 3: Cross multiply
    40,614.66x = 60,931.70 × 20,574.18
  4. Step 4: Simplify right side
    40,614.66x = 1,253,619,458.85
  5. Step 5: Solve for x
    x = 1,253,619,458.85/40,614.66
  6. Step 6: Final answer
    x = 30,866.19

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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.