Home / 39,831.20-59,660.40-35,453.60

Finding the Fourth Proportional to 39,831.20, 59,660.40 and 35,453.60

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Solution

The fourth proportional to 39,831.20, 59,660.40 and 35,453.60 is: 53,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.20 : 59,660.40 = 35,453.60 : x
  2. Step 2: Convert to fraction form
    39,831.20/59,660.40 = 35,453.60/x
  3. Step 3: Cross multiply
    39,831.20x = 59,660.40 × 35,453.60
  4. Step 4: Simplify right side
    39,831.20x = 2,115,175,957.44
  5. Step 5: Solve for x
    x = 2,115,175,957.44/39,831.20
  6. Step 6: Final answer
    x = 53,103.50

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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.