Home / 39,122.28-53,983.56-22,128.84

Finding the Fourth Proportional to 39,122.28, 53,983.56 and 22,128.84

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Solution

The fourth proportional to 39,122.28, 53,983.56 and 22,128.84 is: 30,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.28 : 53,983.56 = 22,128.84 : x
  2. Step 2: Convert to fraction form
    39,122.28/53,983.56 = 22,128.84/x
  3. Step 3: Cross multiply
    39,122.28x = 53,983.56 × 22,128.84
  4. Step 4: Simplify right side
    39,122.28x = 1,194,593,561.87
  5. Step 5: Solve for x
    x = 1,194,593,561.87/39,122.28
  6. Step 6: Final answer
    x = 30,534.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.