Home / 36,171.84-54,270.81-19,287.09

Finding the Fourth Proportional to 36,171.84, 54,270.81 and 19,287.09

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Solution

The fourth proportional to 36,171.84, 54,270.81 and 19,287.09 is: 28,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.84 : 54,270.81 = 19,287.09 : x
  2. Step 2: Convert to fraction form
    36,171.84/54,270.81 = 19,287.09/x
  3. Step 3: Cross multiply
    36,171.84x = 54,270.81 × 19,287.09
  4. Step 4: Simplify right side
    36,171.84x = 1,046,725,721.00
  5. Step 5: Solve for x
    x = 1,046,725,721.00/36,171.84
  6. Step 6: Final answer
    x = 28,937.59

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1.5x scale

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.