Home / 37,211.60-55,817.40-20,622.80

Finding the Fourth Proportional to 37,211.60, 55,817.40 and 20,622.80

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Solution

The fourth proportional to 37,211.60, 55,817.40 and 20,622.80 is: 30,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.60 : 55,817.40 = 20,622.80 : x
  2. Step 2: Convert to fraction form
    37,211.60/55,817.40 = 20,622.80/x
  3. Step 3: Cross multiply
    37,211.60x = 55,817.40 × 20,622.80
  4. Step 4: Simplify right side
    37,211.60x = 1,151,111,076.72
  5. Step 5: Solve for x
    x = 1,151,111,076.72/37,211.60
  6. Step 6: Final answer
    x = 30,934.20

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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.