Home / 31,817.45-43,908.18-17,670.29

Finding the Fourth Proportional to 31,817.45, 43,908.18 and 17,670.29

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Solution

The fourth proportional to 31,817.45, 43,908.18 and 17,670.29 is: 24,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.45 : 43,908.18 = 17,670.29 : x
  2. Step 2: Convert to fraction form
    31,817.45/43,908.18 = 17,670.29/x
  3. Step 3: Cross multiply
    31,817.45x = 43,908.18 × 17,670.29
  4. Step 4: Simplify right side
    31,817.45x = 775,870,383.74
  5. Step 5: Solve for x
    x = 775,870,383.74/31,817.45
  6. Step 6: Final answer
    x = 24,385.06

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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.