Home / 52,640.10-78,964.29-17,579.88

Finding the Fourth Proportional to 52,640.10, 78,964.29 and 17,579.88

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Solution

The fourth proportional to 52,640.10, 78,964.29 and 17,579.88 is: 26,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.10 : 78,964.29 = 17,579.88 : x
  2. Step 2: Convert to fraction form
    52,640.10/78,964.29 = 17,579.88/x
  3. Step 3: Cross multiply
    52,640.10x = 78,964.29 × 17,579.88
  4. Step 4: Simplify right side
    52,640.10x = 1,388,182,742.49
  5. Step 5: Solve for x
    x = 1,388,182,742.49/52,640.10
  6. Step 6: Final answer
    x = 26,371.20

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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.