Home / 43,062.39-64,618.71-18,100.53

Finding the Fourth Proportional to 43,062.39, 64,618.71 and 18,100.53

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Solution

The fourth proportional to 43,062.39, 64,618.71 and 18,100.53 is: 27,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062.39 : 64,618.71 = 18,100.53 : x
  2. Step 2: Convert to fraction form
    43,062.39/64,618.71 = 18,100.53/x
  3. Step 3: Cross multiply
    43,062.39x = 64,618.71 × 18,100.53
  4. Step 4: Simplify right side
    43,062.39x = 1,169,632,898.92
  5. Step 5: Solve for x
    x = 1,169,632,898.92/43,062.39
  6. Step 6: Final answer
    x = 27,161.36

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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.