Home / 36,928.78-55,397.02-11,967.82

Finding the Fourth Proportional to 36,928.78, 55,397.02 and 11,967.82

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Solution

The fourth proportional to 36,928.78, 55,397.02 and 11,967.82 is: 17,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,928.78 : 55,397.02 = 11,967.82 : x
  2. Step 2: Convert to fraction form
    36,928.78/55,397.02 = 11,967.82/x
  3. Step 3: Cross multiply
    36,928.78x = 55,397.02 × 11,967.82
  4. Step 4: Simplify right side
    36,928.78x = 662,981,563.90
  5. Step 5: Solve for x
    x = 662,981,563.90/36,928.78
  6. Step 6: Final answer
    x = 17,952.98

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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.