Home / 64,831.48-89,469.18-36,538.12

Finding the Fourth Proportional to 64,831.48, 89,469.18 and 36,538.12

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Solution

The fourth proportional to 64,831.48, 89,469.18 and 36,538.12 is: 50,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.48 : 89,469.18 = 36,538.12 : x
  2. Step 2: Convert to fraction form
    64,831.48/89,469.18 = 36,538.12/x
  3. Step 3: Cross multiply
    64,831.48x = 89,469.18 × 36,538.12
  4. Step 4: Simplify right side
    64,831.48x = 3,269,035,635.14
  5. Step 5: Solve for x
    x = 3,269,035,635.14/64,831.48
  6. Step 6: Final answer
    x = 50,423.58

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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.