Home / 37,331.44-55,977.72-13,938.64

Finding the Fourth Proportional to 37,331.44, 55,977.72 and 13,938.64

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Solution

The fourth proportional to 37,331.44, 55,977.72 and 13,938.64 is: 20,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,331.44 : 55,977.72 = 13,938.64 : x
  2. Step 2: Convert to fraction form
    37,331.44/55,977.72 = 13,938.64/x
  3. Step 3: Cross multiply
    37,331.44x = 55,977.72 × 13,938.64
  4. Step 4: Simplify right side
    37,331.44x = 780,253,287.10
  5. Step 5: Solve for x
    x = 780,253,287.10/37,331.44
  6. Step 6: Final answer
    x = 20,900.70

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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.