Home / 37,021.20-55,539.90-12,062.40

Finding the Fourth Proportional to 37,021.20, 55,539.90 and 12,062.40

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Solution

The fourth proportional to 37,021.20, 55,539.90 and 12,062.40 is: 18,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,021.20 : 55,539.90 = 12,062.40 : x
  2. Step 2: Convert to fraction form
    37,021.20/55,539.90 = 12,062.40/x
  3. Step 3: Cross multiply
    37,021.20x = 55,539.90 × 12,062.40
  4. Step 4: Simplify right side
    37,021.20x = 669,944,489.76
  5. Step 5: Solve for x
    x = 669,944,489.76/37,021.20
  6. Step 6: Final answer
    x = 18,096.24

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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.