Home / 39,217.12-54,120.42-23,301.64

Finding the Fourth Proportional to 39,217.12, 54,120.42 and 23,301.64

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Solution

The fourth proportional to 39,217.12, 54,120.42 and 23,301.64 is: 32,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.12 : 54,120.42 = 23,301.64 : x
  2. Step 2: Convert to fraction form
    39,217.12/54,120.42 = 23,301.64/x
  3. Step 3: Cross multiply
    39,217.12x = 54,120.42 × 23,301.64
  4. Step 4: Simplify right side
    39,217.12x = 1,261,094,543.49
  5. Step 5: Solve for x
    x = 1,261,094,543.49/39,217.12
  6. Step 6: Final answer
    x = 32,156.74

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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.