Home / 38,248.11-52,782.60-21,481.11

Finding the Fourth Proportional to 38,248.11, 52,782.60 and 21,481.11

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Solution

The fourth proportional to 38,248.11, 52,782.60 and 21,481.11 is: 29,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248.11 : 52,782.60 = 21,481.11 : x
  2. Step 2: Convert to fraction form
    38,248.11/52,782.60 = 21,481.11/x
  3. Step 3: Cross multiply
    38,248.11x = 52,782.60 × 21,481.11
  4. Step 4: Simplify right side
    38,248.11x = 1,133,828,836.69
  5. Step 5: Solve for x
    x = 1,133,828,836.69/38,248.11
  6. Step 6: Final answer
    x = 29,644.05

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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.