Home / 50,204.80-75,307.20-15,139.90

Finding the Fourth Proportional to 50,204.80, 75,307.20 and 15,139.90

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Solution

The fourth proportional to 50,204.80, 75,307.20 and 15,139.90 is: 22,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,204.80 : 75,307.20 = 15,139.90 : x
  2. Step 2: Convert to fraction form
    50,204.80/75,307.20 = 15,139.90/x
  3. Step 3: Cross multiply
    50,204.80x = 75,307.20 × 15,139.90
  4. Step 4: Simplify right side
    50,204.80x = 1,140,143,477.28
  5. Step 5: Solve for x
    x = 1,140,143,477.28/50,204.80
  6. Step 6: Final answer
    x = 22,709.85

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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.