Home / 32,655.12-49,004.46-20,976.72

Finding the Fourth Proportional to 32,655.12, 49,004.46 and 20,976.72

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Solution

The fourth proportional to 32,655.12, 49,004.46 and 20,976.72 is: 31,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,655.12 : 49,004.46 = 20,976.72 : x
  2. Step 2: Convert to fraction form
    32,655.12/49,004.46 = 20,976.72/x
  3. Step 3: Cross multiply
    32,655.12x = 49,004.46 × 20,976.72
  4. Step 4: Simplify right side
    32,655.12x = 1,027,952,836.17
  5. Step 5: Solve for x
    x = 1,027,952,836.17/32,655.12
  6. Step 6: Final answer
    x = 31,479.07

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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.