Home / 43,221.33-64,831.80-16,907.52

Finding the Fourth Proportional to 43,221.33, 64,831.80 and 16,907.52

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Solution

The fourth proportional to 43,221.33, 64,831.80 and 16,907.52 is: 25,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.33 : 64,831.80 = 16,907.52 : x
  2. Step 2: Convert to fraction form
    43,221.33/64,831.80 = 16,907.52/x
  3. Step 3: Cross multiply
    43,221.33x = 64,831.80 × 16,907.52
  4. Step 4: Simplify right side
    43,221.33x = 1,096,144,955.14
  5. Step 5: Solve for x
    x = 1,096,144,955.14/43,221.33
  6. Step 6: Final answer
    x = 25,361.20

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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.