Home / 37,327.80-55,991.70-13,951.20

Finding the Fourth Proportional to 37,327.80, 55,991.70 and 13,951.20

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Solution

The fourth proportional to 37,327.80, 55,991.70 and 13,951.20 is: 20,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,327.80 : 55,991.70 = 13,951.20 : x
  2. Step 2: Convert to fraction form
    37,327.80/55,991.70 = 13,951.20/x
  3. Step 3: Cross multiply
    37,327.80x = 55,991.70 × 13,951.20
  4. Step 4: Simplify right side
    37,327.80x = 781,151,405.04
  5. Step 5: Solve for x
    x = 781,151,405.04/37,327.80
  6. Step 6: Final answer
    x = 20,926.80

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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.