Home / 29,784.80-41,104.08-19,730.72

Finding the Fourth Proportional to 29,784.80, 41,104.08 and 19,730.72

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Solution

The fourth proportional to 29,784.80, 41,104.08 and 19,730.72 is: 27,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,784.80 : 41,104.08 = 19,730.72 : x
  2. Step 2: Convert to fraction form
    29,784.80/41,104.08 = 19,730.72/x
  3. Step 3: Cross multiply
    29,784.80x = 41,104.08 × 19,730.72
  4. Step 4: Simplify right side
    29,784.80x = 811,013,093.34
  5. Step 5: Solve for x
    x = 811,013,093.34/29,784.80
  6. Step 6: Final answer
    x = 27,229.09

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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.