Home / 38,636.76-57,955.13-21,097.02

Finding the Fourth Proportional to 38,636.76, 57,955.13 and 21,097.02

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Solution

The fourth proportional to 38,636.76, 57,955.13 and 21,097.02 is: 31,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.76 : 57,955.13 = 21,097.02 : x
  2. Step 2: Convert to fraction form
    38,636.76/57,955.13 = 21,097.02/x
  3. Step 3: Cross multiply
    38,636.76x = 57,955.13 × 21,097.02
  4. Step 4: Simplify right side
    38,636.76x = 1,222,680,299.68
  5. Step 5: Solve for x
    x = 1,222,680,299.68/38,636.76
  6. Step 6: Final answer
    x = 31,645.52

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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.