Home / 39,179.64-54,068.44-21,274.96

Finding the Fourth Proportional to 39,179.64, 54,068.44 and 21,274.96

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Solution

The fourth proportional to 39,179.64, 54,068.44 and 21,274.96 is: 29,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.64 : 54,068.44 = 21,274.96 : x
  2. Step 2: Convert to fraction form
    39,179.64/54,068.44 = 21,274.96/x
  3. Step 3: Cross multiply
    39,179.64x = 54,068.44 × 21,274.96
  4. Step 4: Simplify right side
    39,179.64x = 1,150,303,898.26
  5. Step 5: Solve for x
    x = 1,150,303,898.26/39,179.64
  6. Step 6: Final answer
    x = 29,359.74

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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.