Home / 38,383.11-52,959.42-21,616.11

Finding the Fourth Proportional to 38,383.11, 52,959.42 and 21,616.11

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Solution

The fourth proportional to 38,383.11, 52,959.42 and 21,616.11 is: 29,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.11 : 52,959.42 = 21,616.11 : x
  2. Step 2: Convert to fraction form
    38,383.11/52,959.42 = 21,616.11/x
  3. Step 3: Cross multiply
    38,383.11x = 52,959.42 × 21,616.11
  4. Step 4: Simplify right side
    38,383.11x = 1,144,776,648.26
  5. Step 5: Solve for x
    x = 1,144,776,648.26/38,383.11
  6. Step 6: Final answer
    x = 29,825.01

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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.