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Finding the Fourth Proportional to 29,620.68, 44,433.36 and 9,899.34

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Solution

The fourth proportional to 29,620.68, 44,433.36 and 9,899.34 is: 14,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.68 : 44,433.36 = 9,899.34 : x
  2. Step 2: Convert to fraction form
    29,620.68/44,433.36 = 9,899.34/x
  3. Step 3: Cross multiply
    29,620.68x = 44,433.36 × 9,899.34
  4. Step 4: Simplify right side
    29,620.68x = 439,860,937.98
  5. Step 5: Solve for x
    x = 439,860,937.98/29,620.68
  6. Step 6: Final answer
    x = 14,849.79

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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.