Home / 31,292.73-43,187.99-17,860.91

Finding the Fourth Proportional to 31,292.73, 43,187.99 and 17,860.91

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Solution

The fourth proportional to 31,292.73, 43,187.99 and 17,860.91 is: 24,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.73 : 43,187.99 = 17,860.91 : x
  2. Step 2: Convert to fraction form
    31,292.73/43,187.99 = 17,860.91/x
  3. Step 3: Cross multiply
    31,292.73x = 43,187.99 × 17,860.91
  4. Step 4: Simplify right side
    31,292.73x = 771,376,497.23
  5. Step 5: Solve for x
    x = 771,376,497.23/31,292.73
  6. Step 6: Final answer
    x = 24,650.34

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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.