Home / 29,643.18-44,464.80-12,109.92

Finding the Fourth Proportional to 29,643.18, 44,464.80 and 12,109.92

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Solution

The fourth proportional to 29,643.18, 44,464.80 and 12,109.92 is: 18,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.18 : 44,464.80 = 12,109.92 : x
  2. Step 2: Convert to fraction form
    29,643.18/44,464.80 = 12,109.92/x
  3. Step 3: Cross multiply
    29,643.18x = 44,464.80 × 12,109.92
  4. Step 4: Simplify right side
    29,643.18x = 538,465,170.82
  5. Step 5: Solve for x
    x = 538,465,170.82/29,643.18
  6. Step 6: Final answer
    x = 18,164.89

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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.