Home / 31,494.72-43,464.54-18,065.88

Finding the Fourth Proportional to 31,494.72, 43,464.54 and 18,065.88

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Solution

The fourth proportional to 31,494.72, 43,464.54 and 18,065.88 is: 24,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,494.72 : 43,464.54 = 18,065.88 : x
  2. Step 2: Convert to fraction form
    31,494.72/43,464.54 = 18,065.88/x
  3. Step 3: Cross multiply
    31,494.72x = 43,464.54 × 18,065.88
  4. Step 4: Simplify right side
    31,494.72x = 785,225,163.90
  5. Step 5: Solve for x
    x = 785,225,163.90/31,494.72
  6. Step 6: Final answer
    x = 24,931.96

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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.