Home / 29,215.92-40,308.12-16,631.76

Finding the Fourth Proportional to 29,215.92, 40,308.12 and 16,631.76

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Solution

The fourth proportional to 29,215.92, 40,308.12 and 16,631.76 is: 22,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.92 : 40,308.12 = 16,631.76 : x
  2. Step 2: Convert to fraction form
    29,215.92/40,308.12 = 16,631.76/x
  3. Step 3: Cross multiply
    29,215.92x = 40,308.12 × 16,631.76
  4. Step 4: Simplify right side
    29,215.92x = 670,394,977.89
  5. Step 5: Solve for x
    x = 670,394,977.89/29,215.92
  6. Step 6: Final answer
    x = 22,946.22

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Similar ratio
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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.