Home / 29,429.61-44,143.44-12,789.66

Finding the Fourth Proportional to 29,429.61, 44,143.44 and 12,789.66

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Solution

The fourth proportional to 29,429.61, 44,143.44 and 12,789.66 is: 19,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,429.61 : 44,143.44 = 12,789.66 : x
  2. Step 2: Convert to fraction form
    29,429.61/44,143.44 = 12,789.66/x
  3. Step 3: Cross multiply
    29,429.61x = 44,143.44 × 12,789.66
  4. Step 4: Simplify right side
    29,429.61x = 564,579,642.25
  5. Step 5: Solve for x
    x = 564,579,642.25/29,429.61
  6. Step 6: Final answer
    x = 19,184.07

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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.