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Finding the Fourth Proportional to 29,241.12, 43,861.68 and 9,521.68

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Solution

The fourth proportional to 29,241.12, 43,861.68 and 9,521.68 is: 14,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,241.12 : 43,861.68 = 9,521.68 : x
  2. Step 2: Convert to fraction form
    29,241.12/43,861.68 = 9,521.68/x
  3. Step 3: Cross multiply
    29,241.12x = 43,861.68 × 9,521.68
  4. Step 4: Simplify right side
    29,241.12x = 417,636,881.22
  5. Step 5: Solve for x
    x = 417,636,881.22/29,241.12
  6. Step 6: Final answer
    x = 14,282.52

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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.