Home / 61,338.21-92,007.27-19,785.21

Finding the Fourth Proportional to 61,338.21, 92,007.27 and 19,785.21

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Solution

The fourth proportional to 61,338.21, 92,007.27 and 19,785.21 is: 29,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,338.21 : 92,007.27 = 19,785.21 : x
  2. Step 2: Convert to fraction form
    61,338.21/92,007.27 = 19,785.21/x
  3. Step 3: Cross multiply
    61,338.21x = 92,007.27 × 19,785.21
  4. Step 4: Simplify right side
    61,338.21x = 1,820,383,158.48
  5. Step 5: Solve for x
    x = 1,820,383,158.48/61,338.21
  6. Step 6: Final answer
    x = 29,677.80

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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.