Home / 31,426.38-43,368.33-17,279.46

Finding the Fourth Proportional to 31,426.38, 43,368.33 and 17,279.46

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Solution

The fourth proportional to 31,426.38, 43,368.33 and 17,279.46 is: 23,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.38 : 43,368.33 = 17,279.46 : x
  2. Step 2: Convert to fraction form
    31,426.38/43,368.33 = 17,279.46/x
  3. Step 3: Cross multiply
    31,426.38x = 43,368.33 × 17,279.46
  4. Step 4: Simplify right side
    31,426.38x = 749,381,323.50
  5. Step 5: Solve for x
    x = 749,381,323.50/31,426.38
  6. Step 6: Final answer
    x = 23,845.61

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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.