Home / 39,942.64-59,866.30-18,566.47

Finding the Fourth Proportional to 39,942.64, 59,866.30 and 18,566.47

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Solution

The fourth proportional to 39,942.64, 59,866.30 and 18,566.47 is: 27,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.64 : 59,866.30 = 18,566.47 : x
  2. Step 2: Convert to fraction form
    39,942.64/59,866.30 = 18,566.47/x
  3. Step 3: Cross multiply
    39,942.64x = 59,866.30 × 18,566.47
  4. Step 4: Simplify right side
    39,942.64x = 1,111,505,862.96
  5. Step 5: Solve for x
    x = 1,111,505,862.96/39,942.64
  6. Step 6: Final answer
    x = 27,827.55

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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.