Home / 31,408.79-43,343.62-17,261.33

Finding the Fourth Proportional to 31,408.79, 43,343.62 and 17,261.33

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Solution

The fourth proportional to 31,408.79, 43,343.62 and 17,261.33 is: 23,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.79 : 43,343.62 = 17,261.33 : x
  2. Step 2: Convert to fraction form
    31,408.79/43,343.62 = 17,261.33/x
  3. Step 3: Cross multiply
    31,408.79x = 43,343.62 × 17,261.33
  4. Step 4: Simplify right side
    31,408.79x = 748,168,268.34
  5. Step 5: Solve for x
    x = 748,168,268.34/31,408.79
  6. Step 6: Final answer
    x = 23,820.35

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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.