Home / 31,988.38-44,129.64-18,551.83

Finding the Fourth Proportional to 31,988.38, 44,129.64 and 18,551.83

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Solution

The fourth proportional to 31,988.38, 44,129.64 and 18,551.83 is: 25,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.38 : 44,129.64 = 18,551.83 : x
  2. Step 2: Convert to fraction form
    31,988.38/44,129.64 = 18,551.83/x
  3. Step 3: Cross multiply
    31,988.38x = 44,129.64 × 18,551.83
  4. Step 4: Simplify right side
    31,988.38x = 818,685,470.14
  5. Step 5: Solve for x
    x = 818,685,470.14/31,988.38
  6. Step 6: Final answer
    x = 25,593.22

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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.