Home / 47,905.54-71,895.20-38,568.40

Finding the Fourth Proportional to 47,905.54, 71,895.20 and 38,568.40

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Solution

The fourth proportional to 47,905.54, 71,895.20 and 38,568.40 is: 57,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.54 : 71,895.20 = 38,568.40 : x
  2. Step 2: Convert to fraction form
    47,905.54/71,895.20 = 38,568.40/x
  3. Step 3: Cross multiply
    47,905.54x = 71,895.20 × 38,568.40
  4. Step 4: Simplify right side
    47,905.54x = 2,772,882,831.68
  5. Step 5: Solve for x
    x = 2,772,882,831.68/47,905.54
  6. Step 6: Final answer
    x = 57,882.30

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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.