Home / 35,942.12-53,900.76-13,761.80

Finding the Fourth Proportional to 35,942.12, 53,900.76 and 13,761.80

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Solution

The fourth proportional to 35,942.12, 53,900.76 and 13,761.80 is: 20,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.12 : 53,900.76 = 13,761.80 : x
  2. Step 2: Convert to fraction form
    35,942.12/53,900.76 = 13,761.80/x
  3. Step 3: Cross multiply
    35,942.12x = 53,900.76 × 13,761.80
  4. Step 4: Simplify right side
    35,942.12x = 741,771,478.97
  5. Step 5: Solve for x
    x = 741,771,478.97/35,942.12
  6. Step 6: Final answer
    x = 20,637.94

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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.