Home / 31,509.32-43,481.14-17,361.05

Finding the Fourth Proportional to 31,509.32, 43,481.14 and 17,361.05

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Solution

The fourth proportional to 31,509.32, 43,481.14 and 17,361.05 is: 23,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.32 : 43,481.14 = 17,361.05 : x
  2. Step 2: Convert to fraction form
    31,509.32/43,481.14 = 17,361.05/x
  3. Step 3: Cross multiply
    31,509.32x = 43,481.14 × 17,361.05
  4. Step 4: Simplify right side
    31,509.32x = 754,877,984.79
  5. Step 5: Solve for x
    x = 754,877,984.79/31,509.32
  6. Step 6: Final answer
    x = 23,957.30

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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.