Home / 56,222.36-84,304.88-18,768.97

Finding the Fourth Proportional to 56,222.36, 84,304.88 and 18,768.97

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Solution

The fourth proportional to 56,222.36, 84,304.88 and 18,768.97 is: 28,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.36 : 84,304.88 = 18,768.97 : x
  2. Step 2: Convert to fraction form
    56,222.36/84,304.88 = 18,768.97/x
  3. Step 3: Cross multiply
    56,222.36x = 84,304.88 × 18,768.97
  4. Step 4: Simplify right side
    56,222.36x = 1,582,315,248.20
  5. Step 5: Solve for x
    x = 1,582,315,248.20/56,222.36
  6. Step 6: Final answer
    x = 28,143.88

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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.