Home / 50,425.95-75,639.30-18,843.15

Finding the Fourth Proportional to 50,425.95, 75,639.30 and 18,843.15

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Solution

The fourth proportional to 50,425.95, 75,639.30 and 18,843.15 is: 28,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,425.95 : 75,639.30 = 18,843.15 : x
  2. Step 2: Convert to fraction form
    50,425.95/75,639.30 = 18,843.15/x
  3. Step 3: Cross multiply
    50,425.95x = 75,639.30 × 18,843.15
  4. Step 4: Simplify right side
    50,425.95x = 1,425,282,675.80
  5. Step 5: Solve for x
    x = 1,425,282,675.80/50,425.95
  6. Step 6: Final answer
    x = 28,264.87

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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.