Home / 31,284.99-43,174.17-19,020.38

Finding the Fourth Proportional to 31,284.99, 43,174.17 and 19,020.38

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Solution

The fourth proportional to 31,284.99, 43,174.17 and 19,020.38 is: 26,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.99 : 43,174.17 = 19,020.38 : x
  2. Step 2: Convert to fraction form
    31,284.99/43,174.17 = 19,020.38/x
  3. Step 3: Cross multiply
    31,284.99x = 43,174.17 × 19,020.38
  4. Step 4: Simplify right side
    31,284.99x = 821,188,903.71
  5. Step 5: Solve for x
    x = 821,188,903.71/31,284.99
  6. Step 6: Final answer
    x = 26,248.65

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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.