Home / 31,360.40-43,277.20-17,213.48

Finding the Fourth Proportional to 31,360.40, 43,277.20 and 17,213.48

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Solution

The fourth proportional to 31,360.40, 43,277.20 and 17,213.48 is: 23,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.40 : 43,277.20 = 17,213.48 : x
  2. Step 2: Convert to fraction form
    31,360.40/43,277.20 = 17,213.48/x
  3. Step 3: Cross multiply
    31,360.40x = 43,277.20 × 17,213.48
  4. Step 4: Simplify right side
    31,360.40x = 744,951,216.66
  5. Step 5: Solve for x
    x = 744,951,216.66/31,360.40
  6. Step 6: Final answer
    x = 23,754.52

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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.