Home / 42,370.87-63,556.68-10,780.97

Finding the Fourth Proportional to 42,370.87, 63,556.68 and 10,780.97

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Solution

The fourth proportional to 42,370.87, 63,556.68 and 10,780.97 is: 16,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,370.87 : 63,556.68 = 10,780.97 : x
  2. Step 2: Convert to fraction form
    42,370.87/63,556.68 = 10,780.97/x
  3. Step 3: Cross multiply
    42,370.87x = 63,556.68 × 10,780.97
  4. Step 4: Simplify right side
    42,370.87x = 685,202,660.38
  5. Step 5: Solve for x
    x = 685,202,660.38/42,370.87
  6. Step 6: Final answer
    x = 16,171.55

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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.