Home / 55,322.28-82,984.20-13,769.28

Finding the Fourth Proportional to 55,322.28, 82,984.20 and 13,769.28

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Solution

The fourth proportional to 55,322.28, 82,984.20 and 13,769.28 is: 20,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,322.28 : 82,984.20 = 13,769.28 : x
  2. Step 2: Convert to fraction form
    55,322.28/82,984.20 = 13,769.28/x
  3. Step 3: Cross multiply
    55,322.28x = 82,984.20 × 13,769.28
  4. Step 4: Simplify right side
    55,322.28x = 1,142,632,685.38
  5. Step 5: Solve for x
    x = 1,142,632,685.38/55,322.28
  6. Step 6: Final answer
    x = 20,654.11

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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.