Home / 50,360.48-75,538.72-20,387.68

Finding the Fourth Proportional to 50,360.48, 75,538.72 and 20,387.68

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Solution

The fourth proportional to 50,360.48, 75,538.72 and 20,387.68 is: 30,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,360.48 : 75,538.72 = 20,387.68 : x
  2. Step 2: Convert to fraction form
    50,360.48/75,538.72 = 20,387.68/x
  3. Step 3: Cross multiply
    50,360.48x = 75,538.72 × 20,387.68
  4. Step 4: Simplify right side
    50,360.48x = 1,540,059,250.97
  5. Step 5: Solve for x
    x = 1,540,059,250.97/50,360.48
  6. Step 6: Final answer
    x = 30,580.71

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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.