Home / 56,701.36-84,965.80-27,078.40

Finding the Fourth Proportional to 56,701.36, 84,965.80 and 27,078.40

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Solution

The fourth proportional to 56,701.36, 84,965.80 and 27,078.40 is: 40,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,701.36 : 84,965.80 = 27,078.40 : x
  2. Step 2: Convert to fraction form
    56,701.36/84,965.80 = 27,078.40/x
  3. Step 3: Cross multiply
    56,701.36x = 84,965.80 × 27,078.40
  4. Step 4: Simplify right side
    56,701.36x = 2,300,737,918.72
  5. Step 5: Solve for x
    x = 2,300,737,918.72/56,701.36
  6. Step 6: Final answer
    x = 40,576.42

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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.