Home / 34,837.70-48,083.02-20,687.81

Finding the Fourth Proportional to 34,837.70, 48,083.02 and 20,687.81

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Solution

The fourth proportional to 34,837.70, 48,083.02 and 20,687.81 is: 28,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,837.70 : 48,083.02 = 20,687.81 : x
  2. Step 2: Convert to fraction form
    34,837.70/48,083.02 = 20,687.81/x
  3. Step 3: Cross multiply
    34,837.70x = 48,083.02 × 20,687.81
  4. Step 4: Simplify right side
    34,837.70x = 994,732,089.85
  5. Step 5: Solve for x
    x = 994,732,089.85/34,837.70
  6. Step 6: Final answer
    x = 28,553.33

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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.