Home / 39,177.83-54,066.63-22,181.78

Finding the Fourth Proportional to 39,177.83, 54,066.63 and 22,181.78

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Solution

The fourth proportional to 39,177.83, 54,066.63 and 22,181.78 is: 30,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.83 : 54,066.63 = 22,181.78 : x
  2. Step 2: Convert to fraction form
    39,177.83/54,066.63 = 22,181.78/x
  3. Step 3: Cross multiply
    39,177.83x = 54,066.63 × 22,181.78
  4. Step 4: Simplify right side
    39,177.83x = 1,199,293,821.67
  5. Step 5: Solve for x
    x = 1,199,293,821.67/39,177.83
  6. Step 6: Final answer
    x = 30,611.55

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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.