Home / 56,221.32-84,304.44-18,768.54

Finding the Fourth Proportional to 56,221.32, 84,304.44 and 18,768.54

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Solution

The fourth proportional to 56,221.32, 84,304.44 and 18,768.54 is: 28,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,221.32 : 84,304.44 = 18,768.54 : x
  2. Step 2: Convert to fraction form
    56,221.32/84,304.44 = 18,768.54/x
  3. Step 3: Cross multiply
    56,221.32x = 84,304.44 × 18,768.54
  4. Step 4: Simplify right side
    56,221.32x = 1,582,271,254.32
  5. Step 5: Solve for x
    x = 1,582,271,254.32/56,221.32
  6. Step 6: Final answer
    x = 28,143.62

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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.