Home / 31,368.69-43,286.11-17,937.79

Finding the Fourth Proportional to 31,368.69, 43,286.11 and 17,937.79

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Solution

The fourth proportional to 31,368.69, 43,286.11 and 17,937.79 is: 24,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.69 : 43,286.11 = 17,937.79 : x
  2. Step 2: Convert to fraction form
    31,368.69/43,286.11 = 17,937.79/x
  3. Step 3: Cross multiply
    31,368.69x = 43,286.11 × 17,937.79
  4. Step 4: Simplify right side
    31,368.69x = 776,456,998.04
  5. Step 5: Solve for x
    x = 776,456,998.04/31,368.69
  6. Step 6: Final answer
    x = 24,752.61

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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.