Home / 45,570.42-68,371.02-28,716.12

Finding the Fourth Proportional to 45,570.42, 68,371.02 and 28,716.12

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Solution

The fourth proportional to 45,570.42, 68,371.02 and 28,716.12 is: 43,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,570.42 : 68,371.02 = 28,716.12 : x
  2. Step 2: Convert to fraction form
    45,570.42/68,371.02 = 28,716.12/x
  3. Step 3: Cross multiply
    45,570.42x = 68,371.02 × 28,716.12
  4. Step 4: Simplify right side
    45,570.42x = 1,963,350,414.84
  5. Step 5: Solve for x
    x = 1,963,350,414.84/45,570.42
  6. Step 6: Final answer
    x = 43,083.88

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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.