Home / 39,979.86-55,188.63-27,274.98

Finding the Fourth Proportional to 39,979.86, 55,188.63 and 27,274.98

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Solution

The fourth proportional to 39,979.86, 55,188.63 and 27,274.98 is: 37,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979.86 : 55,188.63 = 27,274.98 : x
  2. Step 2: Convert to fraction form
    39,979.86/55,188.63 = 27,274.98/x
  3. Step 3: Cross multiply
    39,979.86x = 55,188.63 × 27,274.98
  4. Step 4: Simplify right side
    39,979.86x = 1,505,268,779.48
  5. Step 5: Solve for x
    x = 1,505,268,779.48/39,979.86
  6. Step 6: Final answer
    x = 37,650.68

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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.