Home / 66,346.62-91,557.42-37,666.04

Finding the Fourth Proportional to 66,346.62, 91,557.42 and 37,666.04

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Solution

The fourth proportional to 66,346.62, 91,557.42 and 37,666.04 is: 51,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346.62 : 91,557.42 = 37,666.04 : x
  2. Step 2: Convert to fraction form
    66,346.62/91,557.42 = 37,666.04/x
  3. Step 3: Cross multiply
    66,346.62x = 91,557.42 × 37,666.04
  4. Step 4: Simplify right side
    66,346.62x = 3,448,604,986.23
  5. Step 5: Solve for x
    x = 3,448,604,986.23/66,346.62
  6. Step 6: Final answer
    x = 51,978.61

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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.