Home / 61,379.07-92,068.19-15,786.70

Finding the Fourth Proportional to 61,379.07, 92,068.19 and 15,786.70

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Solution

The fourth proportional to 61,379.07, 92,068.19 and 15,786.70 is: 23,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,379.07 : 92,068.19 = 15,786.70 : x
  2. Step 2: Convert to fraction form
    61,379.07/92,068.19 = 15,786.70/x
  3. Step 3: Cross multiply
    61,379.07x = 92,068.19 × 15,786.70
  4. Step 4: Simplify right side
    61,379.07x = 1,453,452,733.97
  5. Step 5: Solve for x
    x = 1,453,452,733.97/61,379.07
  6. Step 6: Final answer
    x = 23,679.94

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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.