Home / 31,593.08-43,615.96-21,536.29

Finding the Fourth Proportional to 31,593.08, 43,615.96 and 21,536.29

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Solution

The fourth proportional to 31,593.08, 43,615.96 and 21,536.29 is: 29,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593.08 : 43,615.96 = 21,536.29 : x
  2. Step 2: Convert to fraction form
    31,593.08/43,615.96 = 21,536.29/x
  3. Step 3: Cross multiply
    31,593.08x = 43,615.96 × 21,536.29
  4. Step 4: Simplify right side
    31,593.08x = 939,325,963.19
  5. Step 5: Solve for x
    x = 939,325,963.19/31,593.08
  6. Step 6: Final answer
    x = 29,732.02

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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.