Home / 50,720.81-76,102.17-22,243.03

Finding the Fourth Proportional to 50,720.81, 76,102.17 and 22,243.03

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Solution

The fourth proportional to 50,720.81, 76,102.17 and 22,243.03 is: 33,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.81 : 76,102.17 = 22,243.03 : x
  2. Step 2: Convert to fraction form
    50,720.81/76,102.17 = 22,243.03/x
  3. Step 3: Cross multiply
    50,720.81x = 76,102.17 × 22,243.03
  4. Step 4: Simplify right side
    50,720.81x = 1,692,742,660.12
  5. Step 5: Solve for x
    x = 1,692,742,660.12/50,720.81
  6. Step 6: Final answer
    x = 33,373.73

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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.