Home / 31,411.11-47,076.54-14,734.36

Finding the Fourth Proportional to 31,411.11, 47,076.54 and 14,734.36

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Solution

The fourth proportional to 31,411.11, 47,076.54 and 14,734.36 is: 22,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.11 : 47,076.54 = 14,734.36 : x
  2. Step 2: Convert to fraction form
    31,411.11/47,076.54 = 14,734.36/x
  3. Step 3: Cross multiply
    31,411.11x = 47,076.54 × 14,734.36
  4. Step 4: Simplify right side
    31,411.11x = 693,642,687.91
  5. Step 5: Solve for x
    x = 693,642,687.91/31,411.11
  6. Step 6: Final answer
    x = 22,082.72

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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.