Home / 56,108.43-77,424.26-30,956.31

Finding the Fourth Proportional to 56,108.43, 77,424.26 and 30,956.31

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Solution

The fourth proportional to 56,108.43, 77,424.26 and 30,956.31 is: 42,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,108.43 : 77,424.26 = 30,956.31 : x
  2. Step 2: Convert to fraction form
    56,108.43/77,424.26 = 30,956.31/x
  3. Step 3: Cross multiply
    56,108.43x = 77,424.26 × 30,956.31
  4. Step 4: Simplify right side
    56,108.43x = 2,396,769,239.30
  5. Step 5: Solve for x
    x = 2,396,769,239.30/56,108.43
  6. Step 6: Final answer
    x = 42,716.74

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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.