Home / 34,069.20-51,103.80-9,113.10

Finding the Fourth Proportional to 34,069.20, 51,103.80 and 9,113.10

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Solution

The fourth proportional to 34,069.20, 51,103.80 and 9,113.10 is: 13,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,069.20 : 51,103.80 = 9,113.10 : x
  2. Step 2: Convert to fraction form
    34,069.20/51,103.80 = 9,113.10/x
  3. Step 3: Cross multiply
    34,069.20x = 51,103.80 × 9,113.10
  4. Step 4: Simplify right side
    34,069.20x = 465,714,039.78
  5. Step 5: Solve for x
    x = 465,714,039.78/34,069.20
  6. Step 6: Final answer
    x = 13,669.65

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Similar ratio
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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.