Home / 73,411.20-110,104.34-20,808.38

Finding the Fourth Proportional to 73,411.20, 110,104.34 and 20,808.38

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Solution

The fourth proportional to 73,411.20, 110,104.34 and 20,808.38 is: 31,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411.20 : 110,104.34 = 20,808.38 : x
  2. Step 2: Convert to fraction form
    73,411.20/110,104.34 = 20,808.38/x
  3. Step 3: Cross multiply
    73,411.20x = 110,104.34 × 20,808.38
  4. Step 4: Simplify right side
    73,411.20x = 2,291,092,291.81
  5. Step 5: Solve for x
    x = 2,291,092,291.81/73,411.20
  6. Step 6: Final answer
    x = 31,209.03

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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.