Home / 34,886.73-48,142.24-19,780.42

Finding the Fourth Proportional to 34,886.73, 48,142.24 and 19,780.42

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Solution

The fourth proportional to 34,886.73, 48,142.24 and 19,780.42 is: 27,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.73 : 48,142.24 = 19,780.42 : x
  2. Step 2: Convert to fraction form
    34,886.73/48,142.24 = 19,780.42/x
  3. Step 3: Cross multiply
    34,886.73x = 48,142.24 × 19,780.42
  4. Step 4: Simplify right side
    34,886.73x = 952,273,444.30
  5. Step 5: Solve for x
    x = 952,273,444.30/34,886.73
  6. Step 6: Final answer
    x = 27,296.15

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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.