Home / 31,240.20-43,110.72-17,093.28

Finding the Fourth Proportional to 31,240.20, 43,110.72 and 17,093.28

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Solution

The fourth proportional to 31,240.20, 43,110.72 and 17,093.28 is: 23,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,240.20 : 43,110.72 = 17,093.28 : x
  2. Step 2: Convert to fraction form
    31,240.20/43,110.72 = 17,093.28/x
  3. Step 3: Cross multiply
    31,240.20x = 43,110.72 × 17,093.28
  4. Step 4: Simplify right side
    31,240.20x = 736,903,607.96
  5. Step 5: Solve for x
    x = 736,903,607.96/31,240.20
  6. Step 6: Final answer
    x = 23,588.31

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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.