Home / 31,991.13-44,145.75-17,651.13

Finding the Fourth Proportional to 31,991.13, 44,145.75 and 17,651.13

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Solution

The fourth proportional to 31,991.13, 44,145.75 and 17,651.13 is: 24,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.13 : 44,145.75 = 17,651.13 : x
  2. Step 2: Convert to fraction form
    31,991.13/44,145.75 = 17,651.13/x
  3. Step 3: Cross multiply
    31,991.13x = 44,145.75 × 17,651.13
  4. Step 4: Simplify right side
    31,991.13x = 779,222,372.20
  5. Step 5: Solve for x
    x = 779,222,372.20/31,991.13
  6. Step 6: Final answer
    x = 24,357.45

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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.