Home / 29,345.46-40,496.97-15,916.68

Finding the Fourth Proportional to 29,345.46, 40,496.97 and 15,916.68

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Solution

The fourth proportional to 29,345.46, 40,496.97 and 15,916.68 is: 21,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.46 : 40,496.97 = 15,916.68 : x
  2. Step 2: Convert to fraction form
    29,345.46/40,496.97 = 15,916.68/x
  3. Step 3: Cross multiply
    29,345.46x = 40,496.97 × 15,916.68
  4. Step 4: Simplify right side
    29,345.46x = 644,577,372.15
  5. Step 5: Solve for x
    x = 644,577,372.15/29,345.46
  6. Step 6: Final answer
    x = 21,965.15

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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.