Home / 30,226.71-41,712.48-17,479.53

Finding the Fourth Proportional to 30,226.71, 41,712.48 and 17,479.53

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Solution

The fourth proportional to 30,226.71, 41,712.48 and 17,479.53 is: 24,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.71 : 41,712.48 = 17,479.53 : x
  2. Step 2: Convert to fraction form
    30,226.71/41,712.48 = 17,479.53/x
  3. Step 3: Cross multiply
    30,226.71x = 41,712.48 × 17,479.53
  4. Step 4: Simplify right side
    30,226.71x = 729,114,545.53
  5. Step 5: Solve for x
    x = 729,114,545.53/30,226.71
  6. Step 6: Final answer
    x = 24,121.53

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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.