Home / 31,353.24-43,260.54-18,600.12

Finding the Fourth Proportional to 31,353.24, 43,260.54 and 18,600.12

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Solution

The fourth proportional to 31,353.24, 43,260.54 and 18,600.12 is: 25,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.24 : 43,260.54 = 18,600.12 : x
  2. Step 2: Convert to fraction form
    31,353.24/43,260.54 = 18,600.12/x
  3. Step 3: Cross multiply
    31,353.24x = 43,260.54 × 18,600.12
  4. Step 4: Simplify right side
    31,353.24x = 804,651,235.26
  5. Step 5: Solve for x
    x = 804,651,235.26/31,353.24
  6. Step 6: Final answer
    x = 25,664.05

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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.