Home / 55,764.29-76,919.63-33,087.18

Finding the Fourth Proportional to 55,764.29, 76,919.63 and 33,087.18

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Solution

The fourth proportional to 55,764.29, 76,919.63 and 33,087.18 is: 45,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.29 : 76,919.63 = 33,087.18 : x
  2. Step 2: Convert to fraction form
    55,764.29/76,919.63 = 33,087.18/x
  3. Step 3: Cross multiply
    55,764.29x = 76,919.63 × 33,087.18
  4. Step 4: Simplify right side
    55,764.29x = 2,545,053,766.36
  5. Step 5: Solve for x
    x = 2,545,053,766.36/55,764.29
  6. Step 6: Final answer
    x = 45,639.49

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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.