Home / 29,122.22-43,641.95-13,288.34

Finding the Fourth Proportional to 29,122.22, 43,641.95 and 13,288.34

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Solution

The fourth proportional to 29,122.22, 43,641.95 and 13,288.34 is: 19,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.22 : 43,641.95 = 13,288.34 : x
  2. Step 2: Convert to fraction form
    29,122.22/43,641.95 = 13,288.34/x
  3. Step 3: Cross multiply
    29,122.22x = 43,641.95 × 13,288.34
  4. Step 4: Simplify right side
    29,122.22x = 579,928,785.21
  5. Step 5: Solve for x
    x = 579,928,785.21/29,122.22
  6. Step 6: Final answer
    x = 19,913.62

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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.