Home / 51,840.98-71,542.89-29,187.75

Finding the Fourth Proportional to 51,840.98, 71,542.89 and 29,187.75

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Solution

The fourth proportional to 51,840.98, 71,542.89 and 29,187.75 is: 40,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.98 : 71,542.89 = 29,187.75 : x
  2. Step 2: Convert to fraction form
    51,840.98/71,542.89 = 29,187.75/x
  3. Step 3: Cross multiply
    51,840.98x = 71,542.89 × 29,187.75
  4. Step 4: Simplify right side
    51,840.98x = 2,088,175,987.60
  5. Step 5: Solve for x
    x = 2,088,175,987.60/51,840.98
  6. Step 6: Final answer
    x = 40,280.42

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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.