Home / 29,212.64-43,715.22-21,402.08

Finding the Fourth Proportional to 29,212.64, 43,715.22 and 21,402.08

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Solution

The fourth proportional to 29,212.64, 43,715.22 and 21,402.08 is: 32,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.64 : 43,715.22 = 21,402.08 : x
  2. Step 2: Convert to fraction form
    29,212.64/43,715.22 = 21,402.08/x
  3. Step 3: Cross multiply
    29,212.64x = 43,715.22 × 21,402.08
  4. Step 4: Simplify right side
    29,212.64x = 935,596,635.66
  5. Step 5: Solve for x
    x = 935,596,635.66/29,212.64
  6. Step 6: Final answer
    x = 32,027.12

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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.