Home / 38,552.40-57,839.40-18,831.60

Finding the Fourth Proportional to 38,552.40, 57,839.40 and 18,831.60

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Solution

The fourth proportional to 38,552.40, 57,839.40 and 18,831.60 is: 28,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552.40 : 57,839.40 = 18,831.60 : x
  2. Step 2: Convert to fraction form
    38,552.40/57,839.40 = 18,831.60/x
  3. Step 3: Cross multiply
    38,552.40x = 57,839.40 × 18,831.60
  4. Step 4: Simplify right side
    38,552.40x = 1,089,208,445.04
  5. Step 5: Solve for x
    x = 1,089,208,445.04/38,552.40
  6. Step 6: Final answer
    x = 28,252.68

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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.