Home / 41,871.12-57,721.32-29,256.72

Finding the Fourth Proportional to 41,871.12, 57,721.32 and 29,256.72

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Solution

The fourth proportional to 41,871.12, 57,721.32 and 29,256.72 is: 40,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,871.12 : 57,721.32 = 29,256.72 : x
  2. Step 2: Convert to fraction form
    41,871.12/57,721.32 = 29,256.72/x
  3. Step 3: Cross multiply
    41,871.12x = 57,721.32 × 29,256.72
  4. Step 4: Simplify right side
    41,871.12x = 1,688,736,497.27
  5. Step 5: Solve for x
    x = 1,688,736,497.27/41,871.12
  6. Step 6: Final answer
    x = 40,331.77

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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.