Home / 66,739.28-100,039.18-22,329.50

Finding the Fourth Proportional to 66,739.28, 100,039.18 and 22,329.50

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Solution

The fourth proportional to 66,739.28, 100,039.18 and 22,329.50 is: 33,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.28 : 100,039.18 = 22,329.50 : x
  2. Step 2: Convert to fraction form
    66,739.28/100,039.18 = 22,329.50/x
  3. Step 3: Cross multiply
    66,739.28x = 100,039.18 × 22,329.50
  4. Step 4: Simplify right side
    66,739.28x = 2,233,824,869.81
  5. Step 5: Solve for x
    x = 2,233,824,869.81/66,739.28
  6. Step 6: Final answer
    x = 33,470.92

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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.