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Finding the Fourth Proportional to 35,063.53, 52,564.11 and 12,871.84

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Solution

The fourth proportional to 35,063.53, 52,564.11 and 12,871.84 is: 19,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,063.53 : 52,564.11 = 12,871.84 : x
  2. Step 2: Convert to fraction form
    35,063.53/52,564.11 = 12,871.84/x
  3. Step 3: Cross multiply
    35,063.53x = 52,564.11 × 12,871.84
  4. Step 4: Simplify right side
    35,063.53x = 676,596,813.66
  5. Step 5: Solve for x
    x = 676,596,813.66/35,063.53
  6. Step 6: Final answer
    x = 19,296.31

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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.