Home / 55,744.93-76,928.03-31,872.07

Finding the Fourth Proportional to 55,744.93, 76,928.03 and 31,872.07

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Solution

The fourth proportional to 55,744.93, 76,928.03 and 31,872.07 is: 43,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,744.93 : 76,928.03 = 31,872.07 : x
  2. Step 2: Convert to fraction form
    55,744.93/76,928.03 = 31,872.07/x
  3. Step 3: Cross multiply
    55,744.93x = 76,928.03 × 31,872.07
  4. Step 4: Simplify right side
    55,744.93x = 2,451,855,557.12
  5. Step 5: Solve for x
    x = 2,451,855,557.12/55,744.93
  6. Step 6: Final answer
    x = 43,983.47

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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.