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Finding the Fourth Proportional to 32,754.59, 49,131.89 and 8,130.59

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Solution

The fourth proportional to 32,754.59, 49,131.89 and 8,130.59 is: 12,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,754.59 : 49,131.89 = 8,130.59 : x
  2. Step 2: Convert to fraction form
    32,754.59/49,131.89 = 8,130.59/x
  3. Step 3: Cross multiply
    32,754.59x = 49,131.89 × 8,130.59
  4. Step 4: Simplify right side
    32,754.59x = 399,471,253.52
  5. Step 5: Solve for x
    x = 399,471,253.52/32,754.59
  6. Step 6: Final answer
    x = 12,195.89

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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.