Home / 39,188.23-54,064.49-22,188.55

Finding the Fourth Proportional to 39,188.23, 54,064.49 and 22,188.55

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Solution

The fourth proportional to 39,188.23, 54,064.49 and 22,188.55 is: 30,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.23 : 54,064.49 = 22,188.55 : x
  2. Step 2: Convert to fraction form
    39,188.23/54,064.49 = 22,188.55/x
  3. Step 3: Cross multiply
    39,188.23x = 54,064.49 × 22,188.55
  4. Step 4: Simplify right side
    39,188.23x = 1,199,612,639.59
  5. Step 5: Solve for x
    x = 1,199,612,639.59/39,188.23
  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.