Home / 37,219.20-55,801.80-15,021.60

Finding the Fourth Proportional to 37,219.20, 55,801.80 and 15,021.60

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Solution

The fourth proportional to 37,219.20, 55,801.80 and 15,021.60 is: 22,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,219.20 : 55,801.80 = 15,021.60 : x
  2. Step 2: Convert to fraction form
    37,219.20/55,801.80 = 15,021.60/x
  3. Step 3: Cross multiply
    37,219.20x = 55,801.80 × 15,021.60
  4. Step 4: Simplify right side
    37,219.20x = 838,232,318.88
  5. Step 5: Solve for x
    x = 838,232,318.88/37,219.20
  6. Step 6: Final answer
    x = 22,521.50

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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.