Home / 39,078.05-58,645.09-29,243.38

Finding the Fourth Proportional to 39,078.05, 58,645.09 and 29,243.38

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Solution

The fourth proportional to 39,078.05, 58,645.09 and 29,243.38 is: 43,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.05 : 58,645.09 = 29,243.38 : x
  2. Step 2: Convert to fraction form
    39,078.05/58,645.09 = 29,243.38/x
  3. Step 3: Cross multiply
    39,078.05x = 58,645.09 × 29,243.38
  4. Step 4: Simplify right side
    39,078.05x = 1,714,980,569.66
  5. Step 5: Solve for x
    x = 1,714,980,569.66/39,078.05
  6. Step 6: Final answer
    x = 43,886.04

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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.