Home / 31,544.78-43,531.86-17,204.63

Finding the Fourth Proportional to 31,544.78, 43,531.86 and 17,204.63

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Solution

The fourth proportional to 31,544.78, 43,531.86 and 17,204.63 is: 23,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544.78 : 43,531.86 = 17,204.63 : x
  2. Step 2: Convert to fraction form
    31,544.78/43,531.86 = 17,204.63/x
  3. Step 3: Cross multiply
    31,544.78x = 43,531.86 × 17,204.63
  4. Step 4: Simplify right side
    31,544.78x = 748,949,368.64
  5. Step 5: Solve for x
    x = 748,949,368.64/31,544.78
  6. Step 6: Final answer
    x = 23,742.42

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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.