Home / 31,379.24-43,303.38-17,232.80

Finding the Fourth Proportional to 31,379.24, 43,303.38 and 17,232.80

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Solution

The fourth proportional to 31,379.24, 43,303.38 and 17,232.80 is: 23,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.24 : 43,303.38 = 17,232.80 : x
  2. Step 2: Convert to fraction form
    31,379.24/43,303.38 = 17,232.80/x
  3. Step 3: Cross multiply
    31,379.24x = 43,303.38 × 17,232.80
  4. Step 4: Simplify right side
    31,379.24x = 746,238,486.86
  5. Step 5: Solve for x
    x = 746,238,486.86/31,379.24
  6. Step 6: Final answer
    x = 23,781.28

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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.