Home / 31,461.06-43,405.12-17,847.14

Finding the Fourth Proportional to 31,461.06, 43,405.12 and 17,847.14

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Solution

The fourth proportional to 31,461.06, 43,405.12 and 17,847.14 is: 24,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.06 : 43,405.12 = 17,847.14 : x
  2. Step 2: Convert to fraction form
    31,461.06/43,405.12 = 17,847.14/x
  3. Step 3: Cross multiply
    31,461.06x = 43,405.12 × 17,847.14
  4. Step 4: Simplify right side
    31,461.06x = 774,656,958.25
  5. Step 5: Solve for x
    x = 774,656,958.25/31,461.06
  6. Step 6: Final answer
    x = 24,622.72

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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.