Home / 50,286.74-75,456.23-20,308.35

Finding the Fourth Proportional to 50,286.74, 75,456.23 and 20,308.35

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Solution

The fourth proportional to 50,286.74, 75,456.23 and 20,308.35 is: 30,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,286.74 : 75,456.23 = 20,308.35 : x
  2. Step 2: Convert to fraction form
    50,286.74/75,456.23 = 20,308.35/x
  3. Step 3: Cross multiply
    50,286.74x = 75,456.23 × 20,308.35
  4. Step 4: Simplify right side
    50,286.74x = 1,532,391,528.52
  5. Step 5: Solve for x
    x = 1,532,391,528.52/50,286.74
  6. Step 6: Final answer
    x = 30,473.07

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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.