Home / 40,286.76-55,580.22-29,701.56

Finding the Fourth Proportional to 40,286.76, 55,580.22 and 29,701.56

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Solution

The fourth proportional to 40,286.76, 55,580.22 and 29,701.56 is: 40,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.76 : 55,580.22 = 29,701.56 : x
  2. Step 2: Convert to fraction form
    40,286.76/55,580.22 = 29,701.56/x
  3. Step 3: Cross multiply
    40,286.76x = 55,580.22 × 29,701.56
  4. Step 4: Simplify right side
    40,286.76x = 1,650,819,239.14
  5. Step 5: Solve for x
    x = 1,650,819,239.14/40,286.76
  6. Step 6: Final answer
    x = 40,976.72

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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.