Home / 35,956.13-49,608.47-20,845.78

Finding the Fourth Proportional to 35,956.13, 49,608.47 and 20,845.78

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Solution

The fourth proportional to 35,956.13, 49,608.47 and 20,845.78 is: 28,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,956.13 : 49,608.47 = 20,845.78 : x
  2. Step 2: Convert to fraction form
    35,956.13/49,608.47 = 20,845.78/x
  3. Step 3: Cross multiply
    35,956.13x = 49,608.47 × 20,845.78
  4. Step 4: Simplify right side
    35,956.13x = 1,034,127,147.53
  5. Step 5: Solve for x
    x = 1,034,127,147.53/35,956.13
  6. Step 6: Final answer
    x = 28,760.80

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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.