Home / 56,463.68-77,917.92-31,315.52

Finding the Fourth Proportional to 56,463.68, 77,917.92 and 31,315.52

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Solution

The fourth proportional to 56,463.68, 77,917.92 and 31,315.52 is: 43,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.68 : 77,917.92 = 31,315.52 : x
  2. Step 2: Convert to fraction form
    56,463.68/77,917.92 = 31,315.52/x
  3. Step 3: Cross multiply
    56,463.68x = 77,917.92 × 31,315.52
  4. Step 4: Simplify right side
    56,463.68x = 2,440,040,182.12
  5. Step 5: Solve for x
    x = 2,440,040,182.12/56,463.68
  6. Step 6: Final answer
    x = 43,214.33

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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.