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Finding the Fourth Proportional to 29,245.98, 43,858.62 and 9,520.86

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Solution

The fourth proportional to 29,245.98, 43,858.62 and 9,520.86 is: 14,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,245.98 : 43,858.62 = 9,520.86 : x
  2. Step 2: Convert to fraction form
    29,245.98/43,858.62 = 9,520.86/x
  3. Step 3: Cross multiply
    29,245.98x = 43,858.62 × 9,520.86
  4. Step 4: Simplify right side
    29,245.98x = 417,571,780.81
  5. Step 5: Solve for x
    x = 417,571,780.81/29,245.98
  6. Step 6: Final answer
    x = 14,277.92

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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.