Home / 44,412.20-66,618.30-18,135.80

Finding the Fourth Proportional to 44,412.20, 66,618.30 and 18,135.80

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Solution

The fourth proportional to 44,412.20, 66,618.30 and 18,135.80 is: 27,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,412.20 : 66,618.30 = 18,135.80 : x
  2. Step 2: Convert to fraction form
    44,412.20/66,618.30 = 18,135.80/x
  3. Step 3: Cross multiply
    44,412.20x = 66,618.30 × 18,135.80
  4. Step 4: Simplify right side
    44,412.20x = 1,208,176,165.14
  5. Step 5: Solve for x
    x = 1,208,176,165.14/44,412.20
  6. Step 6: Final answer
    x = 27,203.70

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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.