Home / 52,311.20-72,187.89-28,437.26

Finding the Fourth Proportional to 52,311.20, 72,187.89 and 28,437.26

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Solution

The fourth proportional to 52,311.20, 72,187.89 and 28,437.26 is: 39,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.20 : 72,187.89 = 28,437.26 : x
  2. Step 2: Convert to fraction form
    52,311.20/72,187.89 = 28,437.26/x
  3. Step 3: Cross multiply
    52,311.20x = 72,187.89 × 28,437.26
  4. Step 4: Simplify right side
    52,311.20x = 2,052,825,796.78
  5. Step 5: Solve for x
    x = 2,052,825,796.78/52,311.20
  6. Step 6: Final answer
    x = 39,242.57

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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.