Home / 31,411.62-47,077.29-14,734.86

Finding the Fourth Proportional to 31,411.62, 47,077.29 and 14,734.86

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Solution

The fourth proportional to 31,411.62, 47,077.29 and 14,734.86 is: 22,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.62 : 47,077.29 = 14,734.86 : x
  2. Step 2: Convert to fraction form
    31,411.62/47,077.29 = 14,734.86/x
  3. Step 3: Cross multiply
    31,411.62x = 47,077.29 × 14,734.86
  4. Step 4: Simplify right side
    31,411.62x = 693,677,277.33
  5. Step 5: Solve for x
    x = 693,677,277.33/31,411.62
  6. Step 6: Final answer
    x = 22,083.46

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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.