Home / 37,827.71-52,201.80-20,831.60

Finding the Fourth Proportional to 37,827.71, 52,201.80 and 20,831.60

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Solution

The fourth proportional to 37,827.71, 52,201.80 and 20,831.60 is: 28,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,827.71 : 52,201.80 = 20,831.60 : x
  2. Step 2: Convert to fraction form
    37,827.71/52,201.80 = 20,831.60/x
  3. Step 3: Cross multiply
    37,827.71x = 52,201.80 × 20,831.60
  4. Step 4: Simplify right side
    37,827.71x = 1,087,447,016.88
  5. Step 5: Solve for x
    x = 1,087,447,016.88/37,827.71
  6. Step 6: Final answer
    x = 28,747.37

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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.