Home / 45,119.06-67,673.18-11,841.72

Finding the Fourth Proportional to 45,119.06, 67,673.18 and 11,841.72

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Solution

The fourth proportional to 45,119.06, 67,673.18 and 11,841.72 is: 17,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.06 : 67,673.18 = 11,841.72 : x
  2. Step 2: Convert to fraction form
    45,119.06/67,673.18 = 11,841.72/x
  3. Step 3: Cross multiply
    45,119.06x = 67,673.18 × 11,841.72
  4. Step 4: Simplify right side
    45,119.06x = 801,366,849.07
  5. Step 5: Solve for x
    x = 801,366,849.07/45,119.06
  6. Step 6: Final answer
    x = 17,761.16

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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.