Home / 67,629.56-101,479.71-27,678.20

Finding the Fourth Proportional to 67,629.56, 101,479.71 and 27,678.20

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Solution

The fourth proportional to 67,629.56, 101,479.71 and 27,678.20 is: 41,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,629.56 : 101,479.71 = 27,678.20 : x
  2. Step 2: Convert to fraction form
    67,629.56/101,479.71 = 27,678.20/x
  3. Step 3: Cross multiply
    67,629.56x = 101,479.71 × 27,678.20
  4. Step 4: Simplify right side
    67,629.56x = 2,808,775,201.92
  5. Step 5: Solve for x
    x = 2,808,775,201.92/67,629.56
  6. Step 6: Final answer
    x = 41,531.77

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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.