Home / 35,293.99-48,707.30-21,146.53

Finding the Fourth Proportional to 35,293.99, 48,707.30 and 21,146.53

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Solution

The fourth proportional to 35,293.99, 48,707.30 and 21,146.53 is: 29,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,293.99 : 48,707.30 = 21,146.53 : x
  2. Step 2: Convert to fraction form
    35,293.99/48,707.30 = 21,146.53/x
  3. Step 3: Cross multiply
    35,293.99x = 48,707.30 × 21,146.53
  4. Step 4: Simplify right side
    35,293.99x = 1,029,990,380.67
  5. Step 5: Solve for x
    x = 1,029,990,380.67/35,293.99
  6. Step 6: Final answer
    x = 29,183.17

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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.