Home / 56,473.45-77,933.96-30,979.86

Finding the Fourth Proportional to 56,473.45, 77,933.96 and 30,979.86

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Solution

The fourth proportional to 56,473.45, 77,933.96 and 30,979.86 is: 42,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.45 : 77,933.96 = 30,979.86 : x
  2. Step 2: Convert to fraction form
    56,473.45/77,933.96 = 30,979.86/x
  3. Step 3: Cross multiply
    56,473.45x = 77,933.96 × 30,979.86
  4. Step 4: Simplify right side
    56,473.45x = 2,414,383,277.45
  5. Step 5: Solve for x
    x = 2,414,383,277.45/56,473.45
  6. Step 6: Final answer
    x = 42,752.54

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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.