Home / 38,044.16-52,499.64-20,815.76

Finding the Fourth Proportional to 38,044.16, 52,499.64 and 20,815.76

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Solution

The fourth proportional to 38,044.16, 52,499.64 and 20,815.76 is: 28,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,044.16 : 52,499.64 = 20,815.76 : x
  2. Step 2: Convert to fraction form
    38,044.16/52,499.64 = 20,815.76/x
  3. Step 3: Cross multiply
    38,044.16x = 52,499.64 × 20,815.76
  4. Step 4: Simplify right side
    38,044.16x = 1,092,819,906.33
  5. Step 5: Solve for x
    x = 1,092,819,906.33/38,044.16
  6. Step 6: Final answer
    x = 28,725.04

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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.