Home / 38,502.97-53,134.18-21,735.97

Finding the Fourth Proportional to 38,502.97, 53,134.18 and 21,735.97

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Solution

The fourth proportional to 38,502.97, 53,134.18 and 21,735.97 is: 29,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.97 : 53,134.18 = 21,735.97 : x
  2. Step 2: Convert to fraction form
    38,502.97/53,134.18 = 21,735.97/x
  3. Step 3: Cross multiply
    38,502.97x = 53,134.18 × 21,735.97
  4. Step 4: Simplify right side
    38,502.97x = 1,154,922,755.28
  5. Step 5: Solve for x
    x = 1,154,922,755.28/38,502.97
  6. Step 6: Final answer
    x = 29,995.68

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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.