Home / 43,818.60-65,743.17-13,837.47

Finding the Fourth Proportional to 43,818.60, 65,743.17 and 13,837.47

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Solution

The fourth proportional to 43,818.60, 65,743.17 and 13,837.47 is: 20,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.60 : 65,743.17 = 13,837.47 : x
  2. Step 2: Convert to fraction form
    43,818.60/65,743.17 = 13,837.47/x
  3. Step 3: Cross multiply
    43,818.60x = 65,743.17 × 13,837.47
  4. Step 4: Simplify right side
    43,818.60x = 909,719,142.58
  5. Step 5: Solve for x
    x = 909,719,142.58/43,818.60
  6. Step 6: Final answer
    x = 20,761.03

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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.