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Finding the Fourth Proportional to 35,165.10, 52,743.60 and 8,870.08

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Solution

The fourth proportional to 35,165.10, 52,743.60 and 8,870.08 is: 13,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,165.10 : 52,743.60 = 8,870.08 : x
  2. Step 2: Convert to fraction form
    35,165.10/52,743.60 = 8,870.08/x
  3. Step 3: Cross multiply
    35,165.10x = 52,743.60 × 8,870.08
  4. Step 4: Simplify right side
    35,165.10x = 467,839,951.49
  5. Step 5: Solve for x
    x = 467,839,951.49/35,165.10
  6. Step 6: Final answer
    x = 13,304.10

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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.