Home / 38,759.88-53,386.78-29,790.24

Finding the Fourth Proportional to 38,759.88, 53,386.78 and 29,790.24

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Solution

The fourth proportional to 38,759.88, 53,386.78 and 29,790.24 is: 41,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759.88 : 53,386.78 = 29,790.24 : x
  2. Step 2: Convert to fraction form
    38,759.88/53,386.78 = 29,790.24/x
  3. Step 3: Cross multiply
    38,759.88x = 53,386.78 × 29,790.24
  4. Step 4: Simplify right side
    38,759.88x = 1,590,404,989.03
  5. Step 5: Solve for x
    x = 1,590,404,989.03/38,759.88
  6. Step 6: Final answer
    x = 41,032.25

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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.