Home / 34,380.66-51,335.78-30,799.68

Finding the Fourth Proportional to 34,380.66, 51,335.78 and 30,799.68

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Solution

The fourth proportional to 34,380.66, 51,335.78 and 30,799.68 is: 45,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,380.66 : 51,335.78 = 30,799.68 : x
  2. Step 2: Convert to fraction form
    34,380.66/51,335.78 = 30,799.68/x
  3. Step 3: Cross multiply
    34,380.66x = 51,335.78 × 30,799.68
  4. Step 4: Simplify right side
    34,380.66x = 1,581,125,596.55
  5. Step 5: Solve for x
    x = 1,581,125,596.55/34,380.66
  6. Step 6: Final answer
    x = 45,988.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.