Home / 52,309.32-72,186.42-28,435.92

Finding the Fourth Proportional to 52,309.32, 72,186.42 and 28,435.92

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Solution

The fourth proportional to 52,309.32, 72,186.42 and 28,435.92 is: 39,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.32 : 72,186.42 = 28,435.92 : x
  2. Step 2: Convert to fraction form
    52,309.32/72,186.42 = 28,435.92/x
  3. Step 3: Cross multiply
    52,309.32x = 72,186.42 × 28,435.92
  4. Step 4: Simplify right side
    52,309.32x = 2,052,687,264.21
  5. Step 5: Solve for x
    x = 2,052,687,264.21/52,309.32
  6. Step 6: Final answer
    x = 39,241.33

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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.