Home / 31,816.37-43,905.38-17,670.12

Finding the Fourth Proportional to 31,816.37, 43,905.38 and 17,670.12

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Solution

The fourth proportional to 31,816.37, 43,905.38 and 17,670.12 is: 24,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.37 : 43,905.38 = 17,670.12 : x
  2. Step 2: Convert to fraction form
    31,816.37/43,905.38 = 17,670.12/x
  3. Step 3: Cross multiply
    31,816.37x = 43,905.38 × 17,670.12
  4. Step 4: Simplify right side
    31,816.37x = 775,813,333.25
  5. Step 5: Solve for x
    x = 775,813,333.25/31,816.37
  6. Step 6: Final answer
    x = 24,384.10

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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.