Home / 66,487.14-91,760.73-37,818

Finding the Fourth Proportional to 66,487.14, 91,760.73 and 37,818

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Solution

The fourth proportional to 66,487.14, 91,760.73 and 37,818 is: 52,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,487.14 : 91,760.73 = 37,818 : x
  2. Step 2: Convert to fraction form
    66,487.14/91,760.73 = 37,818/x
  3. Step 3: Cross multiply
    66,487.14x = 91,760.73 × 37,818
  4. Step 4: Simplify right side
    66,487.14x = 3,470,207,287.14
  5. Step 5: Solve for x
    x = 3,470,207,287.14/66,487.14
  6. Step 6: Final answer
    x = 52,193.66

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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.