Home / 49,009.12-73,530.12-19,435.48

Finding the Fourth Proportional to 49,009.12, 73,530.12 and 19,435.48

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Solution

The fourth proportional to 49,009.12, 73,530.12 and 19,435.48 is: 29,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009.12 : 73,530.12 = 19,435.48 : x
  2. Step 2: Convert to fraction form
    49,009.12/73,530.12 = 19,435.48/x
  3. Step 3: Cross multiply
    49,009.12x = 73,530.12 × 19,435.48
  4. Step 4: Simplify right side
    49,009.12x = 1,429,093,176.66
  5. Step 5: Solve for x
    x = 1,429,093,176.66/49,009.12
  6. Step 6: Final answer
    x = 29,159.74

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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.