Home / 31,539.81-43,524.59-17,199.60

Finding the Fourth Proportional to 31,539.81, 43,524.59 and 17,199.60

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Solution

The fourth proportional to 31,539.81, 43,524.59 and 17,199.60 is: 23,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.81 : 43,524.59 = 17,199.60 : x
  2. Step 2: Convert to fraction form
    31,539.81/43,524.59 = 17,199.60/x
  3. Step 3: Cross multiply
    31,539.81x = 43,524.59 × 17,199.60
  4. Step 4: Simplify right side
    31,539.81x = 748,605,320.54
  5. Step 5: Solve for x
    x = 748,605,320.54/31,539.81
  6. Step 6: Final answer
    x = 23,735.25

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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.