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Finding the Fourth Proportional to 59,354.39, 89,044.91 and 19,910.49

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Solution

The fourth proportional to 59,354.39, 89,044.91 and 19,910.49 is: 29,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,354.39 : 89,044.91 = 19,910.49 : x
  2. Step 2: Convert to fraction form
    59,354.39/89,044.91 = 19,910.49/x
  3. Step 3: Cross multiply
    59,354.39x = 89,044.91 × 19,910.49
  4. Step 4: Simplify right side
    59,354.39x = 1,772,927,790.11
  5. Step 5: Solve for x
    x = 1,772,927,790.11/59,354.39
  6. Step 6: Final answer
    x = 29,870.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.