Home / 34,545.96-51,813.45-12,355.20

Finding the Fourth Proportional to 34,545.96, 51,813.45 and 12,355.20

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Solution

The fourth proportional to 34,545.96, 51,813.45 and 12,355.20 is: 18,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,545.96 : 51,813.45 = 12,355.20 : x
  2. Step 2: Convert to fraction form
    34,545.96/51,813.45 = 12,355.20/x
  3. Step 3: Cross multiply
    34,545.96x = 51,813.45 × 12,355.20
  4. Step 4: Simplify right side
    34,545.96x = 640,165,537.44
  5. Step 5: Solve for x
    x = 640,165,537.44/34,545.96
  6. Step 6: Final answer
    x = 18,530.84

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1.5x scale

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.