Home / 34,896.66-48,156-18,981.09

Finding the Fourth Proportional to 34,896.66, 48,156 and 18,981.09

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Solution

The fourth proportional to 34,896.66, 48,156 and 18,981.09 is: 26,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,896.66 : 48,156 = 18,981.09 : x
  2. Step 2: Convert to fraction form
    34,896.66/48,156 = 18,981.09/x
  3. Step 3: Cross multiply
    34,896.66x = 48,156 × 18,981.09
  4. Step 4: Simplify right side
    34,896.66x = 914,053,370.04
  5. Step 5: Solve for x
    x = 914,053,370.04/34,896.66
  6. Step 6: Final answer
    x = 26,193.15

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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.