Home / 34,016.58-51,005.25-13,215.78

Finding the Fourth Proportional to 34,016.58, 51,005.25 and 13,215.78

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Solution

The fourth proportional to 34,016.58, 51,005.25 and 13,215.78 is: 19,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,016.58 : 51,005.25 = 13,215.78 : x
  2. Step 2: Convert to fraction form
    34,016.58/51,005.25 = 13,215.78/x
  3. Step 3: Cross multiply
    34,016.58x = 51,005.25 × 13,215.78
  4. Step 4: Simplify right side
    34,016.58x = 674,074,162.85
  5. Step 5: Solve for x
    x = 674,074,162.85/34,016.58
  6. Step 6: Final answer
    x = 19,816.05

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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.