Home / 31,625.20-43,643.10-17,285.44

Finding the Fourth Proportional to 31,625.20, 43,643.10 and 17,285.44

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Solution

The fourth proportional to 31,625.20, 43,643.10 and 17,285.44 is: 23,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.20 : 43,643.10 = 17,285.44 : x
  2. Step 2: Convert to fraction form
    31,625.20/43,643.10 = 17,285.44/x
  3. Step 3: Cross multiply
    31,625.20x = 43,643.10 × 17,285.44
  4. Step 4: Simplify right side
    31,625.20x = 754,390,186.46
  5. Step 5: Solve for x
    x = 754,390,186.46/31,625.20
  6. Step 6: Final answer
    x = 23,854.08

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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.