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Finding the Fourth Proportional to 29,482.98, 44,216.67 and 20,121.30

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Solution

The fourth proportional to 29,482.98, 44,216.67 and 20,121.30 is: 30,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,482.98 : 44,216.67 = 20,121.30 : x
  2. Step 2: Convert to fraction form
    29,482.98/44,216.67 = 20,121.30/x
  3. Step 3: Cross multiply
    29,482.98x = 44,216.67 × 20,121.30
  4. Step 4: Simplify right side
    29,482.98x = 889,696,882.07
  5. Step 5: Solve for x
    x = 889,696,882.07/29,482.98
  6. Step 6: Final answer
    x = 30,176.63

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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.