Home / 38,745.80-53,486.94-29,790.18

Finding the Fourth Proportional to 38,745.80, 53,486.94 and 29,790.18

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Solution

The fourth proportional to 38,745.80, 53,486.94 and 29,790.18 is: 41,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.80 : 53,486.94 = 29,790.18 : x
  2. Step 2: Convert to fraction form
    38,745.80/53,486.94 = 29,790.18/x
  3. Step 3: Cross multiply
    38,745.80x = 53,486.94 × 29,790.18
  4. Step 4: Simplify right side
    38,745.80x = 1,593,385,570.25
  5. Step 5: Solve for x
    x = 1,593,385,570.25/38,745.80
  6. Step 6: Final answer
    x = 41,124.08

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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.