Home / 43,600.71-65,439.95-20,240.31

Finding the Fourth Proportional to 43,600.71, 65,439.95 and 20,240.31

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Solution

The fourth proportional to 43,600.71, 65,439.95 and 20,240.31 is: 30,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,600.71 : 65,439.95 = 20,240.31 : x
  2. Step 2: Convert to fraction form
    43,600.71/65,439.95 = 20,240.31/x
  3. Step 3: Cross multiply
    43,600.71x = 65,439.95 × 20,240.31
  4. Step 4: Simplify right side
    43,600.71x = 1,324,524,874.38
  5. Step 5: Solve for x
    x = 1,324,524,874.38/43,600.71
  6. Step 6: Final answer
    x = 30,378.52

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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.