Home / 38,129.72-52,573.26-32,815.40

Finding the Fourth Proportional to 38,129.72, 52,573.26 and 32,815.40

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Solution

The fourth proportional to 38,129.72, 52,573.26 and 32,815.40 is: 45,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.72 : 52,573.26 = 32,815.40 : x
  2. Step 2: Convert to fraction form
    38,129.72/52,573.26 = 32,815.40/x
  3. Step 3: Cross multiply
    38,129.72x = 52,573.26 × 32,815.40
  4. Step 4: Simplify right side
    38,129.72x = 1,725,212,556.20
  5. Step 5: Solve for x
    x = 1,725,212,556.20/38,129.72
  6. Step 6: Final answer
    x = 45,245.88

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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.