Home / 38,961.64-53,786.13-29,386.63

Finding the Fourth Proportional to 38,961.64, 53,786.13 and 29,386.63

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Solution

The fourth proportional to 38,961.64, 53,786.13 and 29,386.63 is: 40,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.64 : 53,786.13 = 29,386.63 : x
  2. Step 2: Convert to fraction form
    38,961.64/53,786.13 = 29,386.63/x
  3. Step 3: Cross multiply
    38,961.64x = 53,786.13 × 29,386.63
  4. Step 4: Simplify right side
    38,961.64x = 1,580,593,101.44
  5. Step 5: Solve for x
    x = 1,580,593,101.44/38,961.64
  6. Step 6: Final answer
    x = 40,567.93

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Double scale
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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.