Home / 71,029.38-106,544.27-18,439.32

Finding the Fourth Proportional to 71,029.38, 106,544.27 and 18,439.32

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Solution

The fourth proportional to 71,029.38, 106,544.27 and 18,439.32 is: 27,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.38 : 106,544.27 = 18,439.32 : x
  2. Step 2: Convert to fraction form
    71,029.38/106,544.27 = 18,439.32/x
  3. Step 3: Cross multiply
    71,029.38x = 106,544.27 × 18,439.32
  4. Step 4: Simplify right side
    71,029.38x = 1,964,603,888.70
  5. Step 5: Solve for x
    x = 1,964,603,888.70/71,029.38
  6. Step 6: Final answer
    x = 27,659.03

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1.5x scale

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.