Home / 31,486.03-43,450.77-17,338.93

Finding the Fourth Proportional to 31,486.03, 43,450.77 and 17,338.93

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Solution

The fourth proportional to 31,486.03, 43,450.77 and 17,338.93 is: 23,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.03 : 43,450.77 = 17,338.93 : x
  2. Step 2: Convert to fraction form
    31,486.03/43,450.77 = 17,338.93/x
  3. Step 3: Cross multiply
    31,486.03x = 43,450.77 × 17,338.93
  4. Step 4: Simplify right side
    31,486.03x = 753,389,859.48
  5. Step 5: Solve for x
    x = 753,389,859.48/31,486.03
  6. Step 6: Final answer
    x = 23,927.75

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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.