Home / 34,080.29-51,119.70-9,120.33

Finding the Fourth Proportional to 34,080.29, 51,119.70 and 9,120.33

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Solution

The fourth proportional to 34,080.29, 51,119.70 and 9,120.33 is: 13,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,080.29 : 51,119.70 = 9,120.33 : x
  2. Step 2: Convert to fraction form
    34,080.29/51,119.70 = 9,120.33/x
  3. Step 3: Cross multiply
    34,080.29x = 51,119.70 × 9,120.33
  4. Step 4: Simplify right side
    34,080.29x = 466,228,533.50
  5. Step 5: Solve for x
    x = 466,228,533.50/34,080.29
  6. Step 6: Final answer
    x = 13,680.30

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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.