Home / 31,170.63-43,015.26-19,233.93

Finding the Fourth Proportional to 31,170.63, 43,015.26 and 19,233.93

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Solution

The fourth proportional to 31,170.63, 43,015.26 and 19,233.93 is: 26,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.63 : 43,015.26 = 19,233.93 : x
  2. Step 2: Convert to fraction form
    31,170.63/43,015.26 = 19,233.93/x
  3. Step 3: Cross multiply
    31,170.63x = 43,015.26 × 19,233.93
  4. Step 4: Simplify right side
    31,170.63x = 827,352,499.77
  5. Step 5: Solve for x
    x = 827,352,499.77/31,170.63
  6. Step 6: Final answer
    x = 26,542.69

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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.