Home / 34,164.88-51,270.36-11,978.44

Finding the Fourth Proportional to 34,164.88, 51,270.36 and 11,978.44

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Solution

The fourth proportional to 34,164.88, 51,270.36 and 11,978.44 is: 17,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,164.88 : 51,270.36 = 11,978.44 : x
  2. Step 2: Convert to fraction form
    34,164.88/51,270.36 = 11,978.44/x
  3. Step 3: Cross multiply
    34,164.88x = 51,270.36 × 11,978.44
  4. Step 4: Simplify right side
    34,164.88x = 614,138,931.04
  5. Step 5: Solve for x
    x = 614,138,931.04/34,164.88
  6. Step 6: Final answer
    x = 17,975.74

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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.