Home / 52,134.55-71,945.78-28,261.15

Finding the Fourth Proportional to 52,134.55, 71,945.78 and 28,261.15

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Solution

The fourth proportional to 52,134.55, 71,945.78 and 28,261.15 is: 39,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.55 : 71,945.78 = 28,261.15 : x
  2. Step 2: Convert to fraction form
    52,134.55/71,945.78 = 28,261.15/x
  3. Step 3: Cross multiply
    52,134.55x = 71,945.78 × 28,261.15
  4. Step 4: Simplify right side
    52,134.55x = 2,033,270,339.14
  5. Step 5: Solve for x
    x = 2,033,270,339.14/52,134.55
  6. Step 6: Final answer
    x = 39,000.44

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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.