Home / 34,728.40-52,134.20-19,947.60

Finding the Fourth Proportional to 34,728.40, 52,134.20 and 19,947.60

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Solution

The fourth proportional to 34,728.40, 52,134.20 and 19,947.60 is: 29,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728.40 : 52,134.20 = 19,947.60 : x
  2. Step 2: Convert to fraction form
    34,728.40/52,134.20 = 19,947.60/x
  3. Step 3: Cross multiply
    34,728.40x = 52,134.20 × 19,947.60
  4. Step 4: Simplify right side
    34,728.40x = 1,039,952,167.92
  5. Step 5: Solve for x
    x = 1,039,952,167.92/34,728.40
  6. Step 6: Final answer
    x = 29,945.29

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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.