Home / 31,914.79-44,044.34-18,490.27

Finding the Fourth Proportional to 31,914.79, 44,044.34 and 18,490.27

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Solution

The fourth proportional to 31,914.79, 44,044.34 and 18,490.27 is: 25,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.79 : 44,044.34 = 18,490.27 : x
  2. Step 2: Convert to fraction form
    31,914.79/44,044.34 = 18,490.27/x
  3. Step 3: Cross multiply
    31,914.79x = 44,044.34 × 18,490.27
  4. Step 4: Simplify right side
    31,914.79x = 814,391,738.57
  5. Step 5: Solve for x
    x = 814,391,738.57/31,914.79
  6. Step 6: Final answer
    x = 25,517.69

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1.5x scale

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.