Home / 39,068.78-53,917.42-23,149.86

Finding the Fourth Proportional to 39,068.78, 53,917.42 and 23,149.86

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Solution

The fourth proportional to 39,068.78, 53,917.42 and 23,149.86 is: 31,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.78 : 53,917.42 = 23,149.86 : x
  2. Step 2: Convert to fraction form
    39,068.78/53,917.42 = 23,149.86/x
  3. Step 3: Cross multiply
    39,068.78x = 53,917.42 × 23,149.86
  4. Step 4: Simplify right side
    39,068.78x = 1,248,180,724.56
  5. Step 5: Solve for x
    x = 1,248,180,724.56/39,068.78
  6. Step 6: Final answer
    x = 31,948.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.