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Finding the Fourth Proportional to 35,294.99, 52,929.84 and 12,799.99

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Solution

The fourth proportional to 35,294.99, 52,929.84 and 12,799.99 is: 19,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.99 : 52,929.84 = 12,799.99 : x
  2. Step 2: Convert to fraction form
    35,294.99/52,929.84 = 12,799.99/x
  3. Step 3: Cross multiply
    35,294.99x = 52,929.84 × 12,799.99
  4. Step 4: Simplify right side
    35,294.99x = 677,501,295.57
  5. Step 5: Solve for x
    x = 677,501,295.57/35,294.99
  6. Step 6: Final answer
    x = 19,195.40

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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.