Home / 61,456.86-84,811.32-35,979.12

Finding the Fourth Proportional to 61,456.86, 84,811.32 and 35,979.12

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Solution

The fourth proportional to 61,456.86, 84,811.32 and 35,979.12 is: 49,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,456.86 : 84,811.32 = 35,979.12 : x
  2. Step 2: Convert to fraction form
    61,456.86/84,811.32 = 35,979.12/x
  3. Step 3: Cross multiply
    61,456.86x = 84,811.32 × 35,979.12
  4. Step 4: Simplify right side
    61,456.86x = 3,051,436,659.64
  5. Step 5: Solve for x
    x = 3,051,436,659.64/61,456.86
  6. Step 6: Final answer
    x = 49,651.69

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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.