Home / 36,878.38-55,323.72-11,915.48

Finding the Fourth Proportional to 36,878.38, 55,323.72 and 11,915.48

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Solution

The fourth proportional to 36,878.38, 55,323.72 and 11,915.48 is: 17,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878.38 : 55,323.72 = 11,915.48 : x
  2. Step 2: Convert to fraction form
    36,878.38/55,323.72 = 11,915.48/x
  3. Step 3: Cross multiply
    36,878.38x = 55,323.72 × 11,915.48
  4. Step 4: Simplify right side
    36,878.38x = 659,208,619.61
  5. Step 5: Solve for x
    x = 659,208,619.61/36,878.38
  6. Step 6: Final answer
    x = 17,875.21

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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.