Home / 38,177.17-52,682.71-21,181.23

Finding the Fourth Proportional to 38,177.17, 52,682.71 and 21,181.23

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Solution

The fourth proportional to 38,177.17, 52,682.71 and 21,181.23 is: 29,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.17 : 52,682.71 = 21,181.23 : x
  2. Step 2: Convert to fraction form
    38,177.17/52,682.71 = 21,181.23/x
  3. Step 3: Cross multiply
    38,177.17x = 52,682.71 × 21,181.23
  4. Step 4: Simplify right side
    38,177.17x = 1,115,884,729.24
  5. Step 5: Solve for x
    x = 1,115,884,729.24/38,177.17
  6. Step 6: Final answer
    x = 29,229.11

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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.