Home / 45,614.80-68,422.20-29,947.60

Finding the Fourth Proportional to 45,614.80, 68,422.20 and 29,947.60

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Solution

The fourth proportional to 45,614.80, 68,422.20 and 29,947.60 is: 44,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,614.80 : 68,422.20 = 29,947.60 : x
  2. Step 2: Convert to fraction form
    45,614.80/68,422.20 = 29,947.60/x
  3. Step 3: Cross multiply
    45,614.80x = 68,422.20 × 29,947.60
  4. Step 4: Simplify right side
    45,614.80x = 2,049,080,676.72
  5. Step 5: Solve for x
    x = 2,049,080,676.72/45,614.80
  6. Step 6: Final answer
    x = 44,921.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.