Home / 31,816.64-43,907.96-17,670.56

Finding the Fourth Proportional to 31,816.64, 43,907.96 and 17,670.56

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Solution

The fourth proportional to 31,816.64, 43,907.96 and 17,670.56 is: 24,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.64 : 43,907.96 = 17,670.56 : x
  2. Step 2: Convert to fraction form
    31,816.64/43,907.96 = 17,670.56/x
  3. Step 3: Cross multiply
    31,816.64x = 43,907.96 × 17,670.56
  4. Step 4: Simplify right side
    31,816.64x = 775,878,241.66
  5. Step 5: Solve for x
    x = 775,878,241.66/31,816.64
  6. Step 6: Final answer
    x = 24,385.93

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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.