Home / 43,625.16-65,425.98-18,652.80

Finding the Fourth Proportional to 43,625.16, 65,425.98 and 18,652.80

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Solution

The fourth proportional to 43,625.16, 65,425.98 and 18,652.80 is: 27,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,625.16 : 65,425.98 = 18,652.80 : x
  2. Step 2: Convert to fraction form
    43,625.16/65,425.98 = 18,652.80/x
  3. Step 3: Cross multiply
    43,625.16x = 65,425.98 × 18,652.80
  4. Step 4: Simplify right side
    43,625.16x = 1,220,377,719.74
  5. Step 5: Solve for x
    x = 1,220,377,719.74/43,625.16
  6. Step 6: Final answer
    x = 27,974.17

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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.