Home / 31,700.01-43,753.92-18,279.36

Finding the Fourth Proportional to 31,700.01, 43,753.92 and 18,279.36

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Solution

The fourth proportional to 31,700.01, 43,753.92 and 18,279.36 is: 25,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.01 : 43,753.92 = 18,279.36 : x
  2. Step 2: Convert to fraction form
    31,700.01/43,753.92 = 18,279.36/x
  3. Step 3: Cross multiply
    31,700.01x = 43,753.92 × 18,279.36
  4. Step 4: Simplify right side
    31,700.01x = 799,793,655.09
  5. Step 5: Solve for x
    x = 799,793,655.09/31,700.01
  6. Step 6: Final answer
    x = 25,230.08

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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.