Home / 38,749.48-53,124.89-38,049.64

Finding the Fourth Proportional to 38,749.48, 53,124.89 and 38,049.64

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Solution

The fourth proportional to 38,749.48, 53,124.89 and 38,049.64 is: 52,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749.48 : 53,124.89 = 38,049.64 : x
  2. Step 2: Convert to fraction form
    38,749.48/53,124.89 = 38,049.64/x
  3. Step 3: Cross multiply
    38,749.48x = 53,124.89 × 38,049.64
  4. Step 4: Simplify right side
    38,749.48x = 2,021,382,939.54
  5. Step 5: Solve for x
    x = 2,021,382,939.54/38,749.48
  6. Step 6: Final answer
    x = 52,165.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.