Home / 37,021.20-55,531.80-25,211.40

Finding the Fourth Proportional to 37,021.20, 55,531.80 and 25,211.40

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Solution

The fourth proportional to 37,021.20, 55,531.80 and 25,211.40 is: 37,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,021.20 : 55,531.80 = 25,211.40 : x
  2. Step 2: Convert to fraction form
    37,021.20/55,531.80 = 25,211.40/x
  3. Step 3: Cross multiply
    37,021.20x = 55,531.80 × 25,211.40
  4. Step 4: Simplify right side
    37,021.20x = 1,400,034,422.52
  5. Step 5: Solve for x
    x = 1,400,034,422.52/37,021.20
  6. Step 6: Final answer
    x = 37,817.10

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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.