Home / 50,479.38-75,692.76-18,863.46

Finding the Fourth Proportional to 50,479.38, 75,692.76 and 18,863.46

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Solution

The fourth proportional to 50,479.38, 75,692.76 and 18,863.46 is: 28,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,479.38 : 75,692.76 = 18,863.46 : x
  2. Step 2: Convert to fraction form
    50,479.38/75,692.76 = 18,863.46/x
  3. Step 3: Cross multiply
    50,479.38x = 75,692.76 × 18,863.46
  4. Step 4: Simplify right side
    50,479.38x = 1,427,827,350.55
  5. Step 5: Solve for x
    x = 1,427,827,350.55/50,479.38
  6. Step 6: Final answer
    x = 28,285.36

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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.