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Finding the Fourth Proportional to 35,190.69, 52,781.18 and 8,893.84

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Solution

The fourth proportional to 35,190.69, 52,781.18 and 8,893.84 is: 13,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,190.69 : 52,781.18 = 8,893.84 : x
  2. Step 2: Convert to fraction form
    35,190.69/52,781.18 = 8,893.84/x
  3. Step 3: Cross multiply
    35,190.69x = 52,781.18 × 8,893.84
  4. Step 4: Simplify right side
    35,190.69x = 469,427,193.51
  5. Step 5: Solve for x
    x = 469,427,193.51/35,190.69
  6. Step 6: Final answer
    x = 13,339.53

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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.