Home / 31,619.61-43,635.63-17,279.37

Finding the Fourth Proportional to 31,619.61, 43,635.63 and 17,279.37

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Solution

The fourth proportional to 31,619.61, 43,635.63 and 17,279.37 is: 23,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.61 : 43,635.63 = 17,279.37 : x
  2. Step 2: Convert to fraction form
    31,619.61/43,635.63 = 17,279.37/x
  3. Step 3: Cross multiply
    31,619.61x = 43,635.63 × 17,279.37
  4. Step 4: Simplify right side
    31,619.61x = 753,996,195.95
  5. Step 5: Solve for x
    x = 753,996,195.95/31,619.61
  6. Step 6: Final answer
    x = 23,845.84

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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.