Home / 31,988.24-44,145.92-18,559.49

Finding the Fourth Proportional to 31,988.24, 44,145.92 and 18,559.49

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Solution

The fourth proportional to 31,988.24, 44,145.92 and 18,559.49 is: 25,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.24 : 44,145.92 = 18,559.49 : x
  2. Step 2: Convert to fraction form
    31,988.24/44,145.92 = 18,559.49/x
  3. Step 3: Cross multiply
    31,988.24x = 44,145.92 × 18,559.49
  4. Step 4: Simplify right side
    31,988.24x = 819,325,667.98
  5. Step 5: Solve for x
    x = 819,325,667.98/31,988.24
  6. Step 6: Final answer
    x = 25,613.34

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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.