Home / 45,076.28-67,618.94-15,490.22

Finding the Fourth Proportional to 45,076.28, 67,618.94 and 15,490.22

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Solution

The fourth proportional to 45,076.28, 67,618.94 and 15,490.22 is: 23,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,076.28 : 67,618.94 = 15,490.22 : x
  2. Step 2: Convert to fraction form
    45,076.28/67,618.94 = 15,490.22/x
  3. Step 3: Cross multiply
    45,076.28x = 67,618.94 × 15,490.22
  4. Step 4: Simplify right side
    45,076.28x = 1,047,431,841.22
  5. Step 5: Solve for x
    x = 1,047,431,841.22/45,076.28
  6. Step 6: Final answer
    x = 23,236.88

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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.