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Finding the Fourth Proportional to 35,159.97, 52,734.29 and 12,983.79

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Solution

The fourth proportional to 35,159.97, 52,734.29 and 12,983.79 is: 19,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,159.97 : 52,734.29 = 12,983.79 : x
  2. Step 2: Convert to fraction form
    35,159.97/52,734.29 = 12,983.79/x
  3. Step 3: Cross multiply
    35,159.97x = 52,734.29 × 12,983.79
  4. Step 4: Simplify right side
    35,159.97x = 684,691,153.03
  5. Step 5: Solve for x
    x = 684,691,153.03/35,159.97
  6. Step 6: Final answer
    x = 19,473.60

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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.