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Finding the Fourth Proportional to 29,491.88, 44,245.32 and 8,715.38

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Solution

The fourth proportional to 29,491.88, 44,245.32 and 8,715.38 is: 13,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.88 : 44,245.32 = 8,715.38 : x
  2. Step 2: Convert to fraction form
    29,491.88/44,245.32 = 8,715.38/x
  3. Step 3: Cross multiply
    29,491.88x = 44,245.32 × 8,715.38
  4. Step 4: Simplify right side
    29,491.88x = 385,614,777.02
  5. Step 5: Solve for x
    x = 385,614,777.02/29,491.88
  6. Step 6: Final answer
    x = 13,075.29

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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.