Home / 31,916.63-44,044.76-18,487.61

Finding the Fourth Proportional to 31,916.63, 44,044.76 and 18,487.61

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Solution

The fourth proportional to 31,916.63, 44,044.76 and 18,487.61 is: 25,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.63 : 44,044.76 = 18,487.61 : x
  2. Step 2: Convert to fraction form
    31,916.63/44,044.76 = 18,487.61/x
  3. Step 3: Cross multiply
    31,916.63x = 44,044.76 × 18,487.61
  4. Step 4: Simplify right side
    31,916.63x = 814,282,336.59
  5. Step 5: Solve for x
    x = 814,282,336.59/31,916.63
  6. Step 6: Final answer
    x = 25,512.79

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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.