Home / 35,123.50-48,471.24-21,703.96

Finding the Fourth Proportional to 35,123.50, 48,471.24 and 21,703.96

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Solution

The fourth proportional to 35,123.50, 48,471.24 and 21,703.96 is: 29,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.50 : 48,471.24 = 21,703.96 : x
  2. Step 2: Convert to fraction form
    35,123.50/48,471.24 = 21,703.96/x
  3. Step 3: Cross multiply
    35,123.50x = 48,471.24 × 21,703.96
  4. Step 4: Simplify right side
    35,123.50x = 1,052,017,854.11
  5. Step 5: Solve for x
    x = 1,052,017,854.11/35,123.50
  6. Step 6: Final answer
    x = 29,951.97

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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.