Home / 61,976.15-92,970.36-19,845.65

Finding the Fourth Proportional to 61,976.15, 92,970.36 and 19,845.65

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Solution

The fourth proportional to 61,976.15, 92,970.36 and 19,845.65 is: 29,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.15 : 92,970.36 = 19,845.65 : x
  2. Step 2: Convert to fraction form
    61,976.15/92,970.36 = 19,845.65/x
  3. Step 3: Cross multiply
    61,976.15x = 92,970.36 × 19,845.65
  4. Step 4: Simplify right side
    61,976.15x = 1,845,056,760.08
  5. Step 5: Solve for x
    x = 1,845,056,760.08/61,976.15
  6. Step 6: Final answer
    x = 29,770.43

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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.