Home / 38,501.33-57,770.45-18,769.13

Finding the Fourth Proportional to 38,501.33, 57,770.45 and 18,769.13

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Solution

The fourth proportional to 38,501.33, 57,770.45 and 18,769.13 is: 28,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.33 : 57,770.45 = 18,769.13 : x
  2. Step 2: Convert to fraction form
    38,501.33/57,770.45 = 18,769.13/x
  3. Step 3: Cross multiply
    38,501.33x = 57,770.45 × 18,769.13
  4. Step 4: Simplify right side
    38,501.33x = 1,084,301,086.21
  5. Step 5: Solve for x
    x = 1,084,301,086.21/38,501.33
  6. Step 6: Final answer
    x = 28,162.69

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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.