Home / 34,168.80-51,253.20-28,725.60

Finding the Fourth Proportional to 34,168.80, 51,253.20 and 28,725.60

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Solution

The fourth proportional to 34,168.80, 51,253.20 and 28,725.60 is: 43,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.80 : 51,253.20 = 28,725.60 : x
  2. Step 2: Convert to fraction form
    34,168.80/51,253.20 = 28,725.60/x
  3. Step 3: Cross multiply
    34,168.80x = 51,253.20 × 28,725.60
  4. Step 4: Simplify right side
    34,168.80x = 1,472,278,921.92
  5. Step 5: Solve for x
    x = 1,472,278,921.92/34,168.80
  6. Step 6: Final answer
    x = 43,088.40

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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.