Home / 34,219.12-51,328.68-13,169.08

Finding the Fourth Proportional to 34,219.12, 51,328.68 and 13,169.08

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Solution

The fourth proportional to 34,219.12, 51,328.68 and 13,169.08 is: 19,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.12 : 51,328.68 = 13,169.08 : x
  2. Step 2: Convert to fraction form
    34,219.12/51,328.68 = 13,169.08/x
  3. Step 3: Cross multiply
    34,219.12x = 51,328.68 × 13,169.08
  4. Step 4: Simplify right side
    34,219.12x = 675,951,493.21
  5. Step 5: Solve for x
    x = 675,951,493.21/34,219.12
  6. Step 6: Final answer
    x = 19,753.62

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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.