Home / 20,600.34-30,635.49-19,944.24

Finding the Fourth Proportional to 20,600.34, 30,635.49 and 19,944.24

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Solution

The fourth proportional to 20,600.34, 30,635.49 and 19,944.24 is: 29,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.34 : 30,635.49 = 19,944.24 : x
  2. Step 2: Convert to fraction form
    20,600.34/30,635.49 = 19,944.24/x
  3. Step 3: Cross multiply
    20,600.34x = 30,635.49 × 19,944.24
  4. Step 4: Simplify right side
    20,600.34x = 611,001,565.08
  5. Step 5: Solve for x
    x = 611,001,565.08/20,600.34
  6. Step 6: Final answer
    x = 29,659.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.