Home / 31,763.89-43,824.13-18,333.37

Finding the Fourth Proportional to 31,763.89, 43,824.13 and 18,333.37

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Solution

The fourth proportional to 31,763.89, 43,824.13 and 18,333.37 is: 25,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.89 : 43,824.13 = 18,333.37 : x
  2. Step 2: Convert to fraction form
    31,763.89/43,824.13 = 18,333.37/x
  3. Step 3: Cross multiply
    31,763.89x = 43,824.13 × 18,333.37
  4. Step 4: Simplify right side
    31,763.89x = 803,443,990.22
  5. Step 5: Solve for x
    x = 803,443,990.22/31,763.89
  6. Step 6: Final answer
    x = 25,294.26

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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.