Home / 54,928.88-75,805.74-31,055.78

Finding the Fourth Proportional to 54,928.88, 75,805.74 and 31,055.78

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Solution

The fourth proportional to 54,928.88, 75,805.74 and 31,055.78 is: 42,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928.88 : 75,805.74 = 31,055.78 : x
  2. Step 2: Convert to fraction form
    54,928.88/75,805.74 = 31,055.78/x
  3. Step 3: Cross multiply
    54,928.88x = 75,805.74 × 31,055.78
  4. Step 4: Simplify right side
    54,928.88x = 2,354,206,384.18
  5. Step 5: Solve for x
    x = 2,354,206,384.18/54,928.88
  6. Step 6: Final answer
    x = 42,859.17

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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.