Home / 31,223.15-43,089.52-18,483.64

Finding the Fourth Proportional to 31,223.15, 43,089.52 and 18,483.64

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Solution

The fourth proportional to 31,223.15, 43,089.52 and 18,483.64 is: 25,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.15 : 43,089.52 = 18,483.64 : x
  2. Step 2: Convert to fraction form
    31,223.15/43,089.52 = 18,483.64/x
  3. Step 3: Cross multiply
    31,223.15x = 43,089.52 × 18,483.64
  4. Step 4: Simplify right side
    31,223.15x = 796,451,298.56
  5. Step 5: Solve for x
    x = 796,451,298.56/31,223.15
  6. Step 6: Final answer
    x = 25,508.36

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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.