Home / 29,446.11-40,631.96-19,906.76

Finding the Fourth Proportional to 29,446.11, 40,631.96 and 19,906.76

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Solution

The fourth proportional to 29,446.11, 40,631.96 and 19,906.76 is: 27,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,446.11 : 40,631.96 = 19,906.76 : x
  2. Step 2: Convert to fraction form
    29,446.11/40,631.96 = 19,906.76/x
  3. Step 3: Cross multiply
    29,446.11x = 40,631.96 × 19,906.76
  4. Step 4: Simplify right side
    29,446.11x = 808,850,827.40
  5. Step 5: Solve for x
    x = 808,850,827.40/29,446.11
  6. Step 6: Final answer
    x = 27,468.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.