Home / 31,530.29-43,509.83-17,383.14

Finding the Fourth Proportional to 31,530.29, 43,509.83 and 17,383.14

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Solution

The fourth proportional to 31,530.29, 43,509.83 and 17,383.14 is: 23,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.29 : 43,509.83 = 17,383.14 : x
  2. Step 2: Convert to fraction form
    31,530.29/43,509.83 = 17,383.14/x
  3. Step 3: Cross multiply
    31,530.29x = 43,509.83 × 17,383.14
  4. Step 4: Simplify right side
    31,530.29x = 756,337,379.35
  5. Step 5: Solve for x
    x = 756,337,379.35/31,530.29
  6. Step 6: Final answer
    x = 23,987.65

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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.