Home / 31,408.93-43,343.83-17,261.47

Finding the Fourth Proportional to 31,408.93, 43,343.83 and 17,261.47

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Solution

The fourth proportional to 31,408.93, 43,343.83 and 17,261.47 is: 23,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.93 : 43,343.83 = 17,261.47 : x
  2. Step 2: Convert to fraction form
    31,408.93/43,343.83 = 17,261.47/x
  3. Step 3: Cross multiply
    31,408.93x = 43,343.83 × 17,261.47
  4. Step 4: Simplify right side
    31,408.93x = 748,178,221.23
  5. Step 5: Solve for x
    x = 748,178,221.23/31,408.93
  6. Step 6: Final answer
    x = 23,820.56

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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.