Home / 33,815.74-46,663.68-20,391.34

Finding the Fourth Proportional to 33,815.74, 46,663.68 and 20,391.34

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Solution

The fourth proportional to 33,815.74, 46,663.68 and 20,391.34 is: 28,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,815.74 : 46,663.68 = 20,391.34 : x
  2. Step 2: Convert to fraction form
    33,815.74/46,663.68 = 20,391.34/x
  3. Step 3: Cross multiply
    33,815.74x = 46,663.68 × 20,391.34
  4. Step 4: Simplify right side
    33,815.74x = 951,534,964.53
  5. Step 5: Solve for x
    x = 951,534,964.53/33,815.74
  6. Step 6: Final answer
    x = 28,138.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.