Home / 37,121.40-55,682.10-35,809.20

Finding the Fourth Proportional to 37,121.40, 55,682.10 and 35,809.20

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Solution

The fourth proportional to 37,121.40, 55,682.10 and 35,809.20 is: 53,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.40 : 55,682.10 = 35,809.20 : x
  2. Step 2: Convert to fraction form
    37,121.40/55,682.10 = 35,809.20/x
  3. Step 3: Cross multiply
    37,121.40x = 55,682.10 × 35,809.20
  4. Step 4: Simplify right side
    37,121.40x = 1,993,931,455.32
  5. Step 5: Solve for x
    x = 1,993,931,455.32/37,121.40
  6. Step 6: Final answer
    x = 53,713.80

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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.