Home / 51,552.28-71,147.14-28,895.12

Finding the Fourth Proportional to 51,552.28, 71,147.14 and 28,895.12

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Solution

The fourth proportional to 51,552.28, 71,147.14 and 28,895.12 is: 39,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,552.28 : 71,147.14 = 28,895.12 : x
  2. Step 2: Convert to fraction form
    51,552.28/71,147.14 = 28,895.12/x
  3. Step 3: Cross multiply
    51,552.28x = 71,147.14 × 28,895.12
  4. Step 4: Simplify right side
    51,552.28x = 2,055,805,147.96
  5. Step 5: Solve for x
    x = 2,055,805,147.96/51,552.28
  6. Step 6: Final answer
    x = 39,878.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.