Home / 38,418.79-53,083.01-27,642.35

Finding the Fourth Proportional to 38,418.79, 53,083.01 and 27,642.35

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Solution

The fourth proportional to 38,418.79, 53,083.01 and 27,642.35 is: 38,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,418.79 : 53,083.01 = 27,642.35 : x
  2. Step 2: Convert to fraction form
    38,418.79/53,083.01 = 27,642.35/x
  3. Step 3: Cross multiply
    38,418.79x = 53,083.01 × 27,642.35
  4. Step 4: Simplify right side
    38,418.79x = 1,467,339,141.47
  5. Step 5: Solve for x
    x = 1,467,339,141.47/38,418.79
  6. Step 6: Final answer
    x = 38,193.27

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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.