Home / 55,763.13-76,919.31-33,087.18

Finding the Fourth Proportional to 55,763.13, 76,919.31 and 33,087.18

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Solution

The fourth proportional to 55,763.13, 76,919.31 and 33,087.18 is: 45,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.13 : 76,919.31 = 33,087.18 : x
  2. Step 2: Convert to fraction form
    55,763.13/76,919.31 = 33,087.18/x
  3. Step 3: Cross multiply
    55,763.13x = 76,919.31 × 33,087.18
  4. Step 4: Simplify right side
    55,763.13x = 2,545,043,055.45
  5. Step 5: Solve for x
    x = 2,545,043,055.45/55,763.13
  6. Step 6: Final answer
    x = 45,640.25

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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.