Home / 31,410.09-43,301.12-22,454.33

Finding the Fourth Proportional to 31,410.09, 43,301.12 and 22,454.33

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Solution

The fourth proportional to 31,410.09, 43,301.12 and 22,454.33 is: 30,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.09 : 43,301.12 = 22,454.33 : x
  2. Step 2: Convert to fraction form
    31,410.09/43,301.12 = 22,454.33/x
  3. Step 3: Cross multiply
    31,410.09x = 43,301.12 × 22,454.33
  4. Step 4: Simplify right side
    31,410.09x = 972,297,309.07
  5. Step 5: Solve for x
    x = 972,297,309.07/31,410.09
  6. Step 6: Final answer
    x = 30,954.94

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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.