Home / 34,884.81-48,142.31-19,983.69

Finding the Fourth Proportional to 34,884.81, 48,142.31 and 19,983.69

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Solution

The fourth proportional to 34,884.81, 48,142.31 and 19,983.69 is: 27,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,884.81 : 48,142.31 = 19,983.69 : x
  2. Step 2: Convert to fraction form
    34,884.81/48,142.31 = 19,983.69/x
  3. Step 3: Cross multiply
    34,884.81x = 48,142.31 × 19,983.69
  4. Step 4: Simplify right side
    34,884.81x = 962,060,899.01
  5. Step 5: Solve for x
    x = 962,060,899.01/34,884.81
  6. Step 6: Final answer
    x = 27,578.22

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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.