Home / 38,913.40-53,700.82-22,147.48

Finding the Fourth Proportional to 38,913.40, 53,700.82 and 22,147.48

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Solution

The fourth proportional to 38,913.40, 53,700.82 and 22,147.48 is: 30,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.40 : 53,700.82 = 22,147.48 : x
  2. Step 2: Convert to fraction form
    38,913.40/53,700.82 = 22,147.48/x
  3. Step 3: Cross multiply
    38,913.40x = 53,700.82 × 22,147.48
  4. Step 4: Simplify right side
    38,913.40x = 1,189,337,836.93
  5. Step 5: Solve for x
    x = 1,189,337,836.93/38,913.40
  6. Step 6: Final answer
    x = 30,563.71

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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.