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Finding the Fourth Proportional to 34,364.96, 51,553.92 and 10,985.12

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Solution

The fourth proportional to 34,364.96, 51,553.92 and 10,985.12 is: 16,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364.96 : 51,553.92 = 10,985.12 : x
  2. Step 2: Convert to fraction form
    34,364.96/51,553.92 = 10,985.12/x
  3. Step 3: Cross multiply
    34,364.96x = 51,553.92 × 10,985.12
  4. Step 4: Simplify right side
    34,364.96x = 566,325,997.67
  5. Step 5: Solve for x
    x = 566,325,997.67/34,364.96
  6. Step 6: Final answer
    x = 16,479.75

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1.5x scale

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.