Home / 29,169-43,734.06-13,578.12

Finding the Fourth Proportional to 29,169, 43,734.06 and 13,578.12

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Solution

The fourth proportional to 29,169, 43,734.06 and 13,578.12 is: 20,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169 : 43,734.06 = 13,578.12 : x
  2. Step 2: Convert to fraction form
    29,169/43,734.06 = 13,578.12/x
  3. Step 3: Cross multiply
    29,169x = 43,734.06 × 13,578.12
  4. Step 4: Simplify right side
    29,169x = 593,826,314.77
  5. Step 5: Solve for x
    x = 593,826,314.77/29,169
  6. Step 6: Final answer
    x = 20,358.13

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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.