Home / 30,244.51-45,337.20-13,608.73

Finding the Fourth Proportional to 30,244.51, 45,337.20 and 13,608.73

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Solution

The fourth proportional to 30,244.51, 45,337.20 and 13,608.73 is: 20,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.51 : 45,337.20 = 13,608.73 : x
  2. Step 2: Convert to fraction form
    30,244.51/45,337.20 = 13,608.73/x
  3. Step 3: Cross multiply
    30,244.51x = 45,337.20 × 13,608.73
  4. Step 4: Simplify right side
    30,244.51x = 616,981,713.76
  5. Step 5: Solve for x
    x = 616,981,713.76/30,244.51
  6. Step 6: Final answer
    x = 20,399.79

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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.