Home / 34,083.56-47,022.24-21,156.77

Finding the Fourth Proportional to 34,083.56, 47,022.24 and 21,156.77

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Solution

The fourth proportional to 34,083.56, 47,022.24 and 21,156.77 is: 29,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,083.56 : 47,022.24 = 21,156.77 : x
  2. Step 2: Convert to fraction form
    34,083.56/47,022.24 = 21,156.77/x
  3. Step 3: Cross multiply
    34,083.56x = 47,022.24 × 21,156.77
  4. Step 4: Simplify right side
    34,083.56x = 994,838,716.56
  5. Step 5: Solve for x
    x = 994,838,716.56/34,083.56
  6. Step 6: Final answer
    x = 29,188.23

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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.