Home / 31,410.82-47,116.26-14,758.64

Finding the Fourth Proportional to 31,410.82, 47,116.26 and 14,758.64

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Solution

The fourth proportional to 31,410.82, 47,116.26 and 14,758.64 is: 22,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.82 : 47,116.26 = 14,758.64 : x
  2. Step 2: Convert to fraction form
    31,410.82/47,116.26 = 14,758.64/x
  3. Step 3: Cross multiply
    31,410.82x = 47,116.26 × 14,758.64
  4. Step 4: Simplify right side
    31,410.82x = 695,371,919.49
  5. Step 5: Solve for x
    x = 695,371,919.49/31,410.82
  6. Step 6: Final answer
    x = 22,137.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.