Home / 30,105.90-41,545.80-16,677.09

Finding the Fourth Proportional to 30,105.90, 41,545.80 and 16,677.09

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Solution

The fourth proportional to 30,105.90, 41,545.80 and 16,677.09 is: 23,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.90 : 41,545.80 = 16,677.09 : x
  2. Step 2: Convert to fraction form
    30,105.90/41,545.80 = 16,677.09/x
  3. Step 3: Cross multiply
    30,105.90x = 41,545.80 × 16,677.09
  4. Step 4: Simplify right side
    30,105.90x = 692,863,045.72
  5. Step 5: Solve for x
    x = 692,863,045.72/30,105.90
  6. Step 6: Final answer
    x = 23,014.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.