Home / 31,363.14-43,282.29-17,215.86

Finding the Fourth Proportional to 31,363.14, 43,282.29 and 17,215.86

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Solution

The fourth proportional to 31,363.14, 43,282.29 and 17,215.86 is: 23,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.14 : 43,282.29 = 17,215.86 : x
  2. Step 2: Convert to fraction form
    31,363.14/43,282.29 = 17,215.86/x
  3. Step 3: Cross multiply
    31,363.14x = 43,282.29 × 17,215.86
  4. Step 4: Simplify right side
    31,363.14x = 745,141,845.12
  5. Step 5: Solve for x
    x = 745,141,845.12/31,363.14
  6. Step 6: Final answer
    x = 23,758.52

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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.