Home / 31,189.52-43,042.48-17,043.28

Finding the Fourth Proportional to 31,189.52, 43,042.48 and 17,043.28

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Solution

The fourth proportional to 31,189.52, 43,042.48 and 17,043.28 is: 23,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.52 : 43,042.48 = 17,043.28 : x
  2. Step 2: Convert to fraction form
    31,189.52/43,042.48 = 17,043.28/x
  3. Step 3: Cross multiply
    31,189.52x = 43,042.48 × 17,043.28
  4. Step 4: Simplify right side
    31,189.52x = 733,585,038.53
  5. Step 5: Solve for x
    x = 733,585,038.53/31,189.52
  6. Step 6: Final answer
    x = 23,520.24

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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.