Home / 32,475.69-48,718.64-13,755.78

Finding the Fourth Proportional to 32,475.69, 48,718.64 and 13,755.78

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Solution

The fourth proportional to 32,475.69, 48,718.64 and 13,755.78 is: 20,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,475.69 : 48,718.64 = 13,755.78 : x
  2. Step 2: Convert to fraction form
    32,475.69/48,718.64 = 13,755.78/x
  3. Step 3: Cross multiply
    32,475.69x = 48,718.64 × 13,755.78
  4. Step 4: Simplify right side
    32,475.69x = 670,162,928.13
  5. Step 5: Solve for x
    x = 670,162,928.13/32,475.69
  6. Step 6: Final answer
    x = 20,635.83

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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.