Home / 49,391.86-74,095.62-21,319.96

Finding the Fourth Proportional to 49,391.86, 74,095.62 and 21,319.96

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Solution

The fourth proportional to 49,391.86, 74,095.62 and 21,319.96 is: 31,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,391.86 : 74,095.62 = 21,319.96 : x
  2. Step 2: Convert to fraction form
    49,391.86/74,095.62 = 21,319.96/x
  3. Step 3: Cross multiply
    49,391.86x = 74,095.62 × 21,319.96
  4. Step 4: Simplify right side
    49,391.86x = 1,579,715,654.58
  5. Step 5: Solve for x
    x = 1,579,715,654.58/49,391.86
  6. Step 6: Final answer
    x = 31,983.32

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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.