Home / 31,172.96-43,017.44-17,560.68

Finding the Fourth Proportional to 31,172.96, 43,017.44 and 17,560.68

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Solution

The fourth proportional to 31,172.96, 43,017.44 and 17,560.68 is: 24,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172.96 : 43,017.44 = 17,560.68 : x
  2. Step 2: Convert to fraction form
    31,172.96/43,017.44 = 17,560.68/x
  3. Step 3: Cross multiply
    31,172.96x = 43,017.44 × 17,560.68
  4. Step 4: Simplify right side
    31,172.96x = 755,415,410.46
  5. Step 5: Solve for x
    x = 755,415,410.46/31,172.96
  6. Step 6: Final answer
    x = 24,233.04

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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.