Home / 31,589.28-43,594.08-18,163.68

Finding the Fourth Proportional to 31,589.28, 43,594.08 and 18,163.68

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Solution

The fourth proportional to 31,589.28, 43,594.08 and 18,163.68 is: 25,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.28 : 43,594.08 = 18,163.68 : x
  2. Step 2: Convert to fraction form
    31,589.28/43,594.08 = 18,163.68/x
  3. Step 3: Cross multiply
    31,589.28x = 43,594.08 × 18,163.68
  4. Step 4: Simplify right side
    31,589.28x = 791,828,919.01
  5. Step 5: Solve for x
    x = 791,828,919.01/31,589.28
  6. Step 6: Final answer
    x = 25,066.38

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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.