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Finding the Fourth Proportional to 34,188.30, 51,282.45 and 27,276.30

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Solution

The fourth proportional to 34,188.30, 51,282.45 and 27,276.30 is: 40,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,188.30 : 51,282.45 = 27,276.30 : x
  2. Step 2: Convert to fraction form
    34,188.30/51,282.45 = 27,276.30/x
  3. Step 3: Cross multiply
    34,188.30x = 51,282.45 × 27,276.30
  4. Step 4: Simplify right side
    34,188.30x = 1,398,795,490.94
  5. Step 5: Solve for x
    x = 1,398,795,490.94/34,188.30
  6. Step 6: Final answer
    x = 40,914.45

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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.