Home / 35,705.10-53,565.17-13,517.99

Finding the Fourth Proportional to 35,705.10, 53,565.17 and 13,517.99

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Solution

The fourth proportional to 35,705.10, 53,565.17 and 13,517.99 is: 20,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.10 : 53,565.17 = 13,517.99 : x
  2. Step 2: Convert to fraction form
    35,705.10/53,565.17 = 13,517.99/x
  3. Step 3: Cross multiply
    35,705.10x = 53,565.17 × 13,517.99
  4. Step 4: Simplify right side
    35,705.10x = 724,093,297.86
  5. Step 5: Solve for x
    x = 724,093,297.86/35,705.10
  6. Step 6: Final answer
    x = 20,279.83

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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.