Home / 31,982.64-44,135.44-18,555.13

Finding the Fourth Proportional to 31,982.64, 44,135.44 and 18,555.13

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Solution

The fourth proportional to 31,982.64, 44,135.44 and 18,555.13 is: 25,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.64 : 44,135.44 = 18,555.13 : x
  2. Step 2: Convert to fraction form
    31,982.64/44,135.44 = 18,555.13/x
  3. Step 3: Cross multiply
    31,982.64x = 44,135.44 × 18,555.13
  4. Step 4: Simplify right side
    31,982.64x = 818,938,826.81
  5. Step 5: Solve for x
    x = 818,938,826.81/31,982.64
  6. Step 6: Final answer
    x = 25,605.73

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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.