Home / 54,791.16-82,137.40-19,706.15

Finding the Fourth Proportional to 54,791.16, 82,137.40 and 19,706.15

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Solution

The fourth proportional to 54,791.16, 82,137.40 and 19,706.15 is: 29,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,791.16 : 82,137.40 = 19,706.15 : x
  2. Step 2: Convert to fraction form
    54,791.16/82,137.40 = 19,706.15/x
  3. Step 3: Cross multiply
    54,791.16x = 82,137.40 × 19,706.15
  4. Step 4: Simplify right side
    54,791.16x = 1,618,611,925.01
  5. Step 5: Solve for x
    x = 1,618,611,925.01/54,791.16
  6. Step 6: Final answer
    x = 29,541.48

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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.