Home / 51,871.20-71,579.34-30,652.44

Finding the Fourth Proportional to 51,871.20, 71,579.34 and 30,652.44

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Solution

The fourth proportional to 51,871.20, 71,579.34 and 30,652.44 is: 42,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.20 : 71,579.34 = 30,652.44 : x
  2. Step 2: Convert to fraction form
    51,871.20/71,579.34 = 30,652.44/x
  3. Step 3: Cross multiply
    51,871.20x = 71,579.34 × 30,652.44
  4. Step 4: Simplify right side
    51,871.20x = 2,194,081,424.59
  5. Step 5: Solve for x
    x = 2,194,081,424.59/51,871.20
  6. Step 6: Final answer
    x = 42,298.64

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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.