Home / 31,737.10-43,786.38-18,115.36

Finding the Fourth Proportional to 31,737.10, 43,786.38 and 18,115.36

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Solution

The fourth proportional to 31,737.10, 43,786.38 and 18,115.36 is: 24,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.10 : 43,786.38 = 18,115.36 : x
  2. Step 2: Convert to fraction form
    31,737.10/43,786.38 = 18,115.36/x
  3. Step 3: Cross multiply
    31,737.10x = 43,786.38 × 18,115.36
  4. Step 4: Simplify right side
    31,737.10x = 793,206,036.80
  5. Step 5: Solve for x
    x = 793,206,036.80/31,737.10
  6. Step 6: Final answer
    x = 24,993.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.