Home / 31,466.12-43,423.20-17,318.88

Finding the Fourth Proportional to 31,466.12, 43,423.20 and 17,318.88

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Solution

The fourth proportional to 31,466.12, 43,423.20 and 17,318.88 is: 23,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.12 : 43,423.20 = 17,318.88 : x
  2. Step 2: Convert to fraction form
    31,466.12/43,423.20 = 17,318.88/x
  3. Step 3: Cross multiply
    31,466.12x = 43,423.20 × 17,318.88
  4. Step 4: Simplify right side
    31,466.12x = 752,041,190.02
  5. Step 5: Solve for x
    x = 752,041,190.02/31,466.12
  6. Step 6: Final answer
    x = 23,900.03

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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.