Home / 37,117.12-55,685.40-13,745.92

Finding the Fourth Proportional to 37,117.12, 55,685.40 and 13,745.92

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Solution

The fourth proportional to 37,117.12, 55,685.40 and 13,745.92 is: 20,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.12 : 55,685.40 = 13,745.92 : x
  2. Step 2: Convert to fraction form
    37,117.12/55,685.40 = 13,745.92/x
  3. Step 3: Cross multiply
    37,117.12x = 55,685.40 × 13,745.92
  4. Step 4: Simplify right side
    37,117.12x = 765,447,053.57
  5. Step 5: Solve for x
    x = 765,447,053.57/37,117.12
  6. Step 6: Final answer
    x = 20,622.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.