Home / 50,285.08-75,453.80-20,306.72

Finding the Fourth Proportional to 50,285.08, 75,453.80 and 20,306.72

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Solution

The fourth proportional to 50,285.08, 75,453.80 and 20,306.72 is: 30,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285.08 : 75,453.80 = 20,306.72 : x
  2. Step 2: Convert to fraction form
    50,285.08/75,453.80 = 20,306.72/x
  3. Step 3: Cross multiply
    50,285.08x = 75,453.80 × 20,306.72
  4. Step 4: Simplify right side
    50,285.08x = 1,532,219,189.54
  5. Step 5: Solve for x
    x = 1,532,219,189.54/50,285.08
  6. Step 6: Final answer
    x = 30,470.65

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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.