Home / 30,708.27-42,376.92-17,279.52

Finding the Fourth Proportional to 30,708.27, 42,376.92 and 17,279.52

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Solution

The fourth proportional to 30,708.27, 42,376.92 and 17,279.52 is: 23,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.27 : 42,376.92 = 17,279.52 : x
  2. Step 2: Convert to fraction form
    30,708.27/42,376.92 = 17,279.52/x
  3. Step 3: Cross multiply
    30,708.27x = 42,376.92 × 17,279.52
  4. Step 4: Simplify right side
    30,708.27x = 732,252,836.68
  5. Step 5: Solve for x
    x = 732,252,836.68/30,708.27
  6. Step 6: Final answer
    x = 23,845.46

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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.