Home / 56,367.96-77,790.24-31,217.46

Finding the Fourth Proportional to 56,367.96, 77,790.24 and 31,217.46

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Solution

The fourth proportional to 56,367.96, 77,790.24 and 31,217.46 is: 43,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.96 : 77,790.24 = 31,217.46 : x
  2. Step 2: Convert to fraction form
    56,367.96/77,790.24 = 31,217.46/x
  3. Step 3: Cross multiply
    56,367.96x = 77,790.24 × 31,217.46
  4. Step 4: Simplify right side
    56,367.96x = 2,428,413,705.59
  5. Step 5: Solve for x
    x = 2,428,413,705.59/56,367.96
  6. Step 6: Final answer
    x = 43,081.45

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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.