Home / 39,146.72-54,062.52-36,638.96

Finding the Fourth Proportional to 39,146.72, 54,062.52 and 36,638.96

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Solution

The fourth proportional to 39,146.72, 54,062.52 and 36,638.96 is: 50,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.72 : 54,062.52 = 36,638.96 : x
  2. Step 2: Convert to fraction form
    39,146.72/54,062.52 = 36,638.96/x
  3. Step 3: Cross multiply
    39,146.72x = 54,062.52 × 36,638.96
  4. Step 4: Simplify right side
    39,146.72x = 1,980,794,507.78
  5. Step 5: Solve for x
    x = 1,980,794,507.78/39,146.72
  6. Step 6: Final answer
    x = 50,599.25

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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.