Home / 38,629.38-57,970.04-13,669.33

Finding the Fourth Proportional to 38,629.38, 57,970.04 and 13,669.33

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Solution

The fourth proportional to 38,629.38, 57,970.04 and 13,669.33 is: 20,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.38 : 57,970.04 = 13,669.33 : x
  2. Step 2: Convert to fraction form
    38,629.38/57,970.04 = 13,669.33/x
  3. Step 3: Cross multiply
    38,629.38x = 57,970.04 × 13,669.33
  4. Step 4: Simplify right side
    38,629.38x = 792,411,248.68
  5. Step 5: Solve for x
    x = 792,411,248.68/38,629.38
  6. Step 6: Final answer
    x = 20,513.18

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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.