Home / 32,516.40-48,754.80-12,771.30

Finding the Fourth Proportional to 32,516.40, 48,754.80 and 12,771.30

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Solution

The fourth proportional to 32,516.40, 48,754.80 and 12,771.30 is: 19,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,516.40 : 48,754.80 = 12,771.30 : x
  2. Step 2: Convert to fraction form
    32,516.40/48,754.80 = 12,771.30/x
  3. Step 3: Cross multiply
    32,516.40x = 48,754.80 × 12,771.30
  4. Step 4: Simplify right side
    32,516.40x = 622,662,177.24
  5. Step 5: Solve for x
    x = 622,662,177.24/32,516.40
  6. Step 6: Final answer
    x = 19,149.17

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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.