Home / 59,831.20-89,819.70-30,233.80

Finding the Fourth Proportional to 59,831.20, 89,819.70 and 30,233.80

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Solution

The fourth proportional to 59,831.20, 89,819.70 and 30,233.80 is: 45,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,831.20 : 89,819.70 = 30,233.80 : x
  2. Step 2: Convert to fraction form
    59,831.20/89,819.70 = 30,233.80/x
  3. Step 3: Cross multiply
    59,831.20x = 89,819.70 × 30,233.80
  4. Step 4: Simplify right side
    59,831.20x = 2,715,590,845.86
  5. Step 5: Solve for x
    x = 2,715,590,845.86/59,831.20
  6. Step 6: Final answer
    x = 45,387.54

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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.