Home / 29,870.87-41,216.98-17,121.71

Finding the Fourth Proportional to 29,870.87, 41,216.98 and 17,121.71

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Solution

The fourth proportional to 29,870.87, 41,216.98 and 17,121.71 is: 23,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.87 : 41,216.98 = 17,121.71 : x
  2. Step 2: Convert to fraction form
    29,870.87/41,216.98 = 17,121.71/x
  3. Step 3: Cross multiply
    29,870.87x = 41,216.98 × 17,121.71
  4. Step 4: Simplify right side
    29,870.87x = 705,705,290.38
  5. Step 5: Solve for x
    x = 705,705,290.38/29,870.87
  6. Step 6: Final answer
    x = 23,625.20

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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.