Home / 31,533.03-43,512.39-18,101.07

Finding the Fourth Proportional to 31,533.03, 43,512.39 and 18,101.07

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Solution

The fourth proportional to 31,533.03, 43,512.39 and 18,101.07 is: 24,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.03 : 43,512.39 = 18,101.07 : x
  2. Step 2: Convert to fraction form
    31,533.03/43,512.39 = 18,101.07/x
  3. Step 3: Cross multiply
    31,533.03x = 43,512.39 × 18,101.07
  4. Step 4: Simplify right side
    31,533.03x = 787,620,817.26
  5. Step 5: Solve for x
    x = 787,620,817.26/31,533.03
  6. Step 6: Final answer
    x = 24,977.64

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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.