Home / 29,977.92-41,372.16-18,041.28

Finding the Fourth Proportional to 29,977.92, 41,372.16 and 18,041.28

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Solution

The fourth proportional to 29,977.92, 41,372.16 and 18,041.28 is: 24,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,977.92 : 41,372.16 = 18,041.28 : x
  2. Step 2: Convert to fraction form
    29,977.92/41,372.16 = 18,041.28/x
  3. Step 3: Cross multiply
    29,977.92x = 41,372.16 × 18,041.28
  4. Step 4: Simplify right side
    29,977.92x = 746,406,722.76
  5. Step 5: Solve for x
    x = 746,406,722.76/29,977.92
  6. Step 6: Final answer
    x = 24,898.55

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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.