Home / 30,545.45-45,803.80-11,834.25

Finding the Fourth Proportional to 30,545.45, 45,803.80 and 11,834.25

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Solution

The fourth proportional to 30,545.45, 45,803.80 and 11,834.25 is: 17,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.45 : 45,803.80 = 11,834.25 : x
  2. Step 2: Convert to fraction form
    30,545.45/45,803.80 = 11,834.25/x
  3. Step 3: Cross multiply
    30,545.45x = 45,803.80 × 11,834.25
  4. Step 4: Simplify right side
    30,545.45x = 542,053,396.61
  5. Step 5: Solve for x
    x = 542,053,396.61/30,545.45
  6. Step 6: Final answer
    x = 17,745.80

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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.