Home / 31,394.88-43,325.04-17,247.36

Finding the Fourth Proportional to 31,394.88, 43,325.04 and 17,247.36

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Solution

The fourth proportional to 31,394.88, 43,325.04 and 17,247.36 is: 23,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.88 : 43,325.04 = 17,247.36 : x
  2. Step 2: Convert to fraction form
    31,394.88/43,325.04 = 17,247.36/x
  3. Step 3: Cross multiply
    31,394.88x = 43,325.04 × 17,247.36
  4. Step 4: Simplify right side
    31,394.88x = 747,242,561.89
  5. Step 5: Solve for x
    x = 747,242,561.89/31,394.88
  6. Step 6: Final answer
    x = 23,801.41

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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.