Home / 34,778.80-47,994.75-18,863.18

Finding the Fourth Proportional to 34,778.80, 47,994.75 and 18,863.18

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Solution

The fourth proportional to 34,778.80, 47,994.75 and 18,863.18 is: 26,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.80 : 47,994.75 = 18,863.18 : x
  2. Step 2: Convert to fraction form
    34,778.80/47,994.75 = 18,863.18/x
  3. Step 3: Cross multiply
    34,778.80x = 47,994.75 × 18,863.18
  4. Step 4: Simplify right side
    34,778.80x = 905,333,608.31
  5. Step 5: Solve for x
    x = 905,333,608.31/34,778.80
  6. Step 6: Final answer
    x = 26,031.19

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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.