Home / 31,527.87-43,508.75-17,381.22

Finding the Fourth Proportional to 31,527.87, 43,508.75 and 17,381.22

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Solution

The fourth proportional to 31,527.87, 43,508.75 and 17,381.22 is: 23,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.87 : 43,508.75 = 17,381.22 : x
  2. Step 2: Convert to fraction form
    31,527.87/43,508.75 = 17,381.22/x
  3. Step 3: Cross multiply
    31,527.87x = 43,508.75 × 17,381.22
  4. Step 4: Simplify right side
    31,527.87x = 756,235,046.90
  5. Step 5: Solve for x
    x = 756,235,046.90/31,527.87
  6. Step 6: Final answer
    x = 23,986.24

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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.