Home / 40,510.68-55,973.25-29,157.72

Finding the Fourth Proportional to 40,510.68, 55,973.25 and 29,157.72

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Solution

The fourth proportional to 40,510.68, 55,973.25 and 29,157.72 is: 40,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,510.68 : 55,973.25 = 29,157.72 : x
  2. Step 2: Convert to fraction form
    40,510.68/55,973.25 = 29,157.72/x
  3. Step 3: Cross multiply
    40,510.68x = 55,973.25 × 29,157.72
  4. Step 4: Simplify right side
    40,510.68x = 1,632,052,350.99
  5. Step 5: Solve for x
    x = 1,632,052,350.99/40,510.68
  6. Step 6: Final answer
    x = 40,286.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.