Home / 34,788.89-48,005.38-19,679.69

Finding the Fourth Proportional to 34,788.89, 48,005.38 and 19,679.69

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Solution

The fourth proportional to 34,788.89, 48,005.38 and 19,679.69 is: 27,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.89 : 48,005.38 = 19,679.69 : x
  2. Step 2: Convert to fraction form
    34,788.89/48,005.38 = 19,679.69/x
  3. Step 3: Cross multiply
    34,788.89x = 48,005.38 × 19,679.69
  4. Step 4: Simplify right side
    34,788.89x = 944,730,996.73
  5. Step 5: Solve for x
    x = 944,730,996.73/34,788.89
  6. Step 6: Final answer
    x = 27,156.11

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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.