Home / 31,396.59-43,328.12-17,249.81

Finding the Fourth Proportional to 31,396.59, 43,328.12 and 17,249.81

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Solution

The fourth proportional to 31,396.59, 43,328.12 and 17,249.81 is: 23,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.59 : 43,328.12 = 17,249.81 : x
  2. Step 2: Convert to fraction form
    31,396.59/43,328.12 = 17,249.81/x
  3. Step 3: Cross multiply
    31,396.59x = 43,328.12 × 17,249.81
  4. Step 4: Simplify right side
    31,396.59x = 747,401,534.77
  5. Step 5: Solve for x
    x = 747,401,534.77/31,396.59
  6. Step 6: Final answer
    x = 23,805.18

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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.