Home / 39,178.52-58,767.78-11,476.52

Finding the Fourth Proportional to 39,178.52, 58,767.78 and 11,476.52

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Solution

The fourth proportional to 39,178.52, 58,767.78 and 11,476.52 is: 17,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.52 : 58,767.78 = 11,476.52 : x
  2. Step 2: Convert to fraction form
    39,178.52/58,767.78 = 11,476.52/x
  3. Step 3: Cross multiply
    39,178.52x = 58,767.78 × 11,476.52
  4. Step 4: Simplify right side
    39,178.52x = 674,449,602.53
  5. Step 5: Solve for x
    x = 674,449,602.53/39,178.52
  6. Step 6: Final answer
    x = 17,214.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.