Home / 51,844.55-71,557.17-31,718.21

Finding the Fourth Proportional to 51,844.55, 71,557.17 and 31,718.21

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Solution

The fourth proportional to 51,844.55, 71,557.17 and 31,718.21 is: 43,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,844.55 : 71,557.17 = 31,718.21 : x
  2. Step 2: Convert to fraction form
    51,844.55/71,557.17 = 31,718.21/x
  3. Step 3: Cross multiply
    51,844.55x = 71,557.17 × 31,718.21
  4. Step 4: Simplify right side
    51,844.55x = 2,269,664,987.28
  5. Step 5: Solve for x
    x = 2,269,664,987.28/51,844.55
  6. Step 6: Final answer
    x = 43,778.28

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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.