Home / 34,776.51-47,991.79-18,860.92

Finding the Fourth Proportional to 34,776.51, 47,991.79 and 18,860.92

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Solution

The fourth proportional to 34,776.51, 47,991.79 and 18,860.92 is: 26,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,776.51 : 47,991.79 = 18,860.92 : x
  2. Step 2: Convert to fraction form
    34,776.51/47,991.79 = 18,860.92/x
  3. Step 3: Cross multiply
    34,776.51x = 47,991.79 × 18,860.92
  4. Step 4: Simplify right side
    34,776.51x = 905,169,215.44
  5. Step 5: Solve for x
    x = 905,169,215.44/34,776.51
  6. Step 6: Final answer
    x = 26,028.18

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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.