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Finding the Fourth Proportional to 36,862, 50,867.92 and 20,947.92

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Solution

The fourth proportional to 36,862, 50,867.92 and 20,947.92 is: 28,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,862 : 50,867.92 = 20,947.92 : x
  2. Step 2: Convert to fraction form
    36,862/50,867.92 = 20,947.92/x
  3. Step 3: Cross multiply
    36,862x = 50,867.92 × 20,947.92
  4. Step 4: Simplify right side
    36,862x = 1,065,577,118.73
  5. Step 5: Solve for x
    x = 1,065,577,118.73/36,862
  6. Step 6: Final answer
    x = 28,907.20

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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.