Home / 45,111.47-67,532.39-27,288.20

Finding the Fourth Proportional to 45,111.47, 67,532.39 and 27,288.20

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Solution

The fourth proportional to 45,111.47, 67,532.39 and 27,288.20 is: 40,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,111.47 : 67,532.39 = 27,288.20 : x
  2. Step 2: Convert to fraction form
    45,111.47/67,532.39 = 27,288.20/x
  3. Step 3: Cross multiply
    45,111.47x = 67,532.39 × 27,288.20
  4. Step 4: Simplify right side
    45,111.47x = 1,842,836,890.70
  5. Step 5: Solve for x
    x = 1,842,836,890.70/45,111.47
  6. Step 6: Final answer
    x = 40,850.74

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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.