Home / 38,740.45-53,462.39-37,399.54

Finding the Fourth Proportional to 38,740.45, 53,462.39 and 37,399.54

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Solution

The fourth proportional to 38,740.45, 53,462.39 and 37,399.54 is: 51,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.45 : 53,462.39 = 37,399.54 : x
  2. Step 2: Convert to fraction form
    38,740.45/53,462.39 = 37,399.54/x
  3. Step 3: Cross multiply
    38,740.45x = 53,462.39 × 37,399.54
  4. Step 4: Simplify right side
    38,740.45x = 1,999,468,793.30
  5. Step 5: Solve for x
    x = 1,999,468,793.30/38,740.45
  6. Step 6: Final answer
    x = 51,611.91

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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.