Home / 31,363.80-43,280.73-17,216.97

Finding the Fourth Proportional to 31,363.80, 43,280.73 and 17,216.97

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Solution

The fourth proportional to 31,363.80, 43,280.73 and 17,216.97 is: 23,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.80 : 43,280.73 = 17,216.97 : x
  2. Step 2: Convert to fraction form
    31,363.80/43,280.73 = 17,216.97/x
  3. Step 3: Cross multiply
    31,363.80x = 43,280.73 × 17,216.97
  4. Step 4: Simplify right side
    31,363.80x = 745,163,029.99
  5. Step 5: Solve for x
    x = 745,163,029.99/31,363.80
  6. Step 6: Final answer
    x = 23,758.70

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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.