Home / 19,545.45-29,317.90-4,754.40

Finding the Fourth Proportional to 19,545.45, 29,317.90 and 4,754.40

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Solution

The fourth proportional to 19,545.45, 29,317.90 and 4,754.40 is: 7,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.45 : 29,317.90 = 4,754.40 : x
  2. Step 2: Convert to fraction form
    19,545.45/29,317.90 = 4,754.40/x
  3. Step 3: Cross multiply
    19,545.45x = 29,317.90 × 4,754.40
  4. Step 4: Simplify right side
    19,545.45x = 139,388,910.85
  5. Step 5: Solve for x
    x = 139,388,910.85/19,545.45
  6. Step 6: Final answer
    x = 7,131.53

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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.