Home / 31,467.14-43,424.80-18,039.18

Finding the Fourth Proportional to 31,467.14, 43,424.80 and 18,039.18

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Solution

The fourth proportional to 31,467.14, 43,424.80 and 18,039.18 is: 24,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.14 : 43,424.80 = 18,039.18 : x
  2. Step 2: Convert to fraction form
    31,467.14/43,424.80 = 18,039.18/x
  3. Step 3: Cross multiply
    31,467.14x = 43,424.80 × 18,039.18
  4. Step 4: Simplify right side
    31,467.14x = 783,347,783.66
  5. Step 5: Solve for x
    x = 783,347,783.66/31,467.14
  6. Step 6: Final answer
    x = 24,894.15

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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.