Home / 31,800.22-43,885.77-18,373.24

Finding the Fourth Proportional to 31,800.22, 43,885.77 and 18,373.24

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Solution

The fourth proportional to 31,800.22, 43,885.77 and 18,373.24 is: 25,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.22 : 43,885.77 = 18,373.24 : x
  2. Step 2: Convert to fraction form
    31,800.22/43,885.77 = 18,373.24/x
  3. Step 3: Cross multiply
    31,800.22x = 43,885.77 × 18,373.24
  4. Step 4: Simplify right side
    31,800.22x = 806,323,784.79
  5. Step 5: Solve for x
    x = 806,323,784.79/31,800.22
  6. Step 6: Final answer
    x = 25,355.92

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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.