Home / 39,543.12-54,561.60-23,634.72

Finding the Fourth Proportional to 39,543.12, 54,561.60 and 23,634.72

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Solution

The fourth proportional to 39,543.12, 54,561.60 and 23,634.72 is: 32,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,543.12 : 54,561.60 = 23,634.72 : x
  2. Step 2: Convert to fraction form
    39,543.12/54,561.60 = 23,634.72/x
  3. Step 3: Cross multiply
    39,543.12x = 54,561.60 × 23,634.72
  4. Step 4: Simplify right side
    39,543.12x = 1,289,548,138.75
  5. Step 5: Solve for x
    x = 1,289,548,138.75/39,543.12
  6. Step 6: Final answer
    x = 32,611.19

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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.