Home / 43,758.83-65,663.69-18,456.77

Finding the Fourth Proportional to 43,758.83, 65,663.69 and 18,456.77

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Solution

The fourth proportional to 43,758.83, 65,663.69 and 18,456.77 is: 27,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,758.83 : 65,663.69 = 18,456.77 : x
  2. Step 2: Convert to fraction form
    43,758.83/65,663.69 = 18,456.77/x
  3. Step 3: Cross multiply
    43,758.83x = 65,663.69 × 18,456.77
  4. Step 4: Simplify right side
    43,758.83x = 1,211,939,203.08
  5. Step 5: Solve for x
    x = 1,211,939,203.08/43,758.83
  6. Step 6: Final answer
    x = 27,695.88

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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.