Home / 38,755.80-58,135.32-23,139

Finding the Fourth Proportional to 38,755.80, 58,135.32 and 23,139

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Solution

The fourth proportional to 38,755.80, 58,135.32 and 23,139 is: 34,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,755.80 : 58,135.32 = 23,139 : x
  2. Step 2: Convert to fraction form
    38,755.80/58,135.32 = 23,139/x
  3. Step 3: Cross multiply
    38,755.80x = 58,135.32 × 23,139
  4. Step 4: Simplify right side
    38,755.80x = 1,345,193,169.48
  5. Step 5: Solve for x
    x = 1,345,193,169.48/38,755.80
  6. Step 6: Final answer
    x = 34,709.47

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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.