Home / 50,123.52-75,138.19-16,820.23

Finding the Fourth Proportional to 50,123.52, 75,138.19 and 16,820.23

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Solution

The fourth proportional to 50,123.52, 75,138.19 and 16,820.23 is: 25,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,123.52 : 75,138.19 = 16,820.23 : x
  2. Step 2: Convert to fraction form
    50,123.52/75,138.19 = 16,820.23/x
  3. Step 3: Cross multiply
    50,123.52x = 75,138.19 × 16,820.23
  4. Step 4: Simplify right side
    50,123.52x = 1,263,841,177.79
  5. Step 5: Solve for x
    x = 1,263,841,177.79/50,123.52
  6. Step 6: Final answer
    x = 25,214.53

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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.