Home / 31,170.10-43,015.08-17,023.36

Finding the Fourth Proportional to 31,170.10, 43,015.08 and 17,023.36

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Solution

The fourth proportional to 31,170.10, 43,015.08 and 17,023.36 is: 23,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.10 : 43,015.08 = 17,023.36 : x
  2. Step 2: Convert to fraction form
    31,170.10/43,015.08 = 17,023.36/x
  3. Step 3: Cross multiply
    31,170.10x = 43,015.08 × 17,023.36
  4. Step 4: Simplify right side
    31,170.10x = 732,261,192.27
  5. Step 5: Solve for x
    x = 732,261,192.27/31,170.10
  6. Step 6: Final answer
    x = 23,492.42

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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.