Home / 38,661.78-53,383.41-29,695.08

Finding the Fourth Proportional to 38,661.78, 53,383.41 and 29,695.08

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Solution

The fourth proportional to 38,661.78, 53,383.41 and 29,695.08 is: 41,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.78 : 53,383.41 = 29,695.08 : x
  2. Step 2: Convert to fraction form
    38,661.78/53,383.41 = 29,695.08/x
  3. Step 3: Cross multiply
    38,661.78x = 53,383.41 × 29,695.08
  4. Step 4: Simplify right side
    38,661.78x = 1,585,224,630.62
  5. Step 5: Solve for x
    x = 1,585,224,630.62/38,661.78
  6. Step 6: Final answer
    x = 41,002.37

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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.