Home / 38,553.84-53,218.98-25,128.36

Finding the Fourth Proportional to 38,553.84, 53,218.98 and 25,128.36

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Solution

The fourth proportional to 38,553.84, 53,218.98 and 25,128.36 is: 34,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.84 : 53,218.98 = 25,128.36 : x
  2. Step 2: Convert to fraction form
    38,553.84/53,218.98 = 25,128.36/x
  3. Step 3: Cross multiply
    38,553.84x = 53,218.98 × 25,128.36
  4. Step 4: Simplify right side
    38,553.84x = 1,337,305,688.27
  5. Step 5: Solve for x
    x = 1,337,305,688.27/38,553.84
  6. Step 6: Final answer
    x = 34,686.71

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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.