Home / 43,767.44-65,663.76-21,587.60

Finding the Fourth Proportional to 43,767.44, 65,663.76 and 21,587.60

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Solution

The fourth proportional to 43,767.44, 65,663.76 and 21,587.60 is: 32,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,767.44 : 65,663.76 = 21,587.60 : x
  2. Step 2: Convert to fraction form
    43,767.44/65,663.76 = 21,587.60/x
  3. Step 3: Cross multiply
    43,767.44x = 65,663.76 × 21,587.60
  4. Step 4: Simplify right side
    43,767.44x = 1,417,522,985.38
  5. Step 5: Solve for x
    x = 1,417,522,985.38/43,767.44
  6. Step 6: Final answer
    x = 32,387.61

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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.