Home / 61,397.27-84,680.24-39,893.94

Finding the Fourth Proportional to 61,397.27, 84,680.24 and 39,893.94

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Solution

The fourth proportional to 61,397.27, 84,680.24 and 39,893.94 is: 55,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,397.27 : 84,680.24 = 39,893.94 : x
  2. Step 2: Convert to fraction form
    61,397.27/84,680.24 = 39,893.94/x
  3. Step 3: Cross multiply
    61,397.27x = 84,680.24 × 39,893.94
  4. Step 4: Simplify right side
    61,397.27x = 3,378,228,214.28
  5. Step 5: Solve for x
    x = 3,378,228,214.28/61,397.27
  6. Step 6: Final answer
    x = 55,022.45

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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.