Home / 55,119.49-75,956.03-39,159.25

Finding the Fourth Proportional to 55,119.49, 75,956.03 and 39,159.25

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Solution

The fourth proportional to 55,119.49, 75,956.03 and 39,159.25 is: 53,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.49 : 75,956.03 = 39,159.25 : x
  2. Step 2: Convert to fraction form
    55,119.49/75,956.03 = 39,159.25/x
  3. Step 3: Cross multiply
    55,119.49x = 75,956.03 × 39,159.25
  4. Step 4: Simplify right side
    55,119.49x = 2,974,380,928.94
  5. Step 5: Solve for x
    x = 2,974,380,928.94/55,119.49
  6. Step 6: Final answer
    x = 53,962.42

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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.