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Finding the Fourth Proportional to 34,929.61, 48,200.90 and 19,013.11

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Solution

The fourth proportional to 34,929.61, 48,200.90 and 19,013.11 is: 26,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,929.61 : 48,200.90 = 19,013.11 : x
  2. Step 2: Convert to fraction form
    34,929.61/48,200.90 = 19,013.11/x
  3. Step 3: Cross multiply
    34,929.61x = 48,200.90 × 19,013.11
  4. Step 4: Simplify right side
    34,929.61x = 916,449,013.80
  5. Step 5: Solve for x
    x = 916,449,013.80/34,929.61
  6. Step 6: Final answer
    x = 26,237.02

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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.