Home / 64,831.78-97,247.69-20,463.02

Finding the Fourth Proportional to 64,831.78, 97,247.69 and 20,463.02

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Solution

The fourth proportional to 64,831.78, 97,247.69 and 20,463.02 is: 30,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.78 : 97,247.69 = 20,463.02 : x
  2. Step 2: Convert to fraction form
    64,831.78/97,247.69 = 20,463.02/x
  3. Step 3: Cross multiply
    64,831.78x = 97,247.69 × 20,463.02
  4. Step 4: Simplify right side
    64,831.78x = 1,989,981,425.42
  5. Step 5: Solve for x
    x = 1,989,981,425.42/64,831.78
  6. Step 6: Final answer
    x = 30,694.54

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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.