Home / 38,695.14-53,399.31-22,789.38

Finding the Fourth Proportional to 38,695.14, 53,399.31 and 22,789.38

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Solution

The fourth proportional to 38,695.14, 53,399.31 and 22,789.38 is: 31,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.14 : 53,399.31 = 22,789.38 : x
  2. Step 2: Convert to fraction form
    38,695.14/53,399.31 = 22,789.38/x
  3. Step 3: Cross multiply
    38,695.14x = 53,399.31 × 22,789.38
  4. Step 4: Simplify right side
    38,695.14x = 1,216,937,167.33
  5. Step 5: Solve for x
    x = 1,216,937,167.33/38,695.14
  6. Step 6: Final answer
    x = 31,449.35

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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.