Home / 73,545.28-110,303.42-20,223.52

Finding the Fourth Proportional to 73,545.28, 110,303.42 and 20,223.52

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Solution

The fourth proportional to 73,545.28, 110,303.42 and 20,223.52 is: 30,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,545.28 : 110,303.42 = 20,223.52 : x
  2. Step 2: Convert to fraction form
    73,545.28/110,303.42 = 20,223.52/x
  3. Step 3: Cross multiply
    73,545.28x = 110,303.42 × 20,223.52
  4. Step 4: Simplify right side
    73,545.28x = 2,230,723,420.44
  5. Step 5: Solve for x
    x = 2,230,723,420.44/73,545.28
  6. Step 6: Final answer
    x = 30,331.29

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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.