Home / 61,900.97-92,816.60-19,771.15

Finding the Fourth Proportional to 61,900.97, 92,816.60 and 19,771.15

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Solution

The fourth proportional to 61,900.97, 92,816.60 and 19,771.15 is: 29,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,900.97 : 92,816.60 = 19,771.15 : x
  2. Step 2: Convert to fraction form
    61,900.97/92,816.60 = 19,771.15/x
  3. Step 3: Cross multiply
    61,900.97x = 92,816.60 × 19,771.15
  4. Step 4: Simplify right side
    61,900.97x = 1,835,090,590.19
  5. Step 5: Solve for x
    x = 1,835,090,590.19/61,900.97
  6. Step 6: Final answer
    x = 29,645.59

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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.