Home / 37,545.21-51,831.09-21,626.55

Finding the Fourth Proportional to 37,545.21, 51,831.09 and 21,626.55

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Solution

The fourth proportional to 37,545.21, 51,831.09 and 21,626.55 is: 29,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,545.21 : 51,831.09 = 21,626.55 : x
  2. Step 2: Convert to fraction form
    37,545.21/51,831.09 = 21,626.55/x
  3. Step 3: Cross multiply
    37,545.21x = 51,831.09 × 21,626.55
  4. Step 4: Simplify right side
    37,545.21x = 1,120,927,659.44
  5. Step 5: Solve for x
    x = 1,120,927,659.44/37,545.21
  6. Step 6: Final answer
    x = 29,855.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.