Home / 50,279.20-75,289.20-39,911.20

Finding the Fourth Proportional to 50,279.20, 75,289.20 and 39,911.20

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Solution

The fourth proportional to 50,279.20, 75,289.20 and 39,911.20 is: 59,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.20 : 75,289.20 = 39,911.20 : x
  2. Step 2: Convert to fraction form
    50,279.20/75,289.20 = 39,911.20/x
  3. Step 3: Cross multiply
    50,279.20x = 75,289.20 × 39,911.20
  4. Step 4: Simplify right side
    50,279.20x = 3,004,882,319.04
  5. Step 5: Solve for x
    x = 3,004,882,319.04/50,279.20
  6. Step 6: Final answer
    x = 59,763.92

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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.