Home / 43,579.20-60,099.36-31,014.72

Finding the Fourth Proportional to 43,579.20, 60,099.36 and 31,014.72

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Solution

The fourth proportional to 43,579.20, 60,099.36 and 31,014.72 is: 42,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.20 : 60,099.36 = 31,014.72 : x
  2. Step 2: Convert to fraction form
    43,579.20/60,099.36 = 31,014.72/x
  3. Step 3: Cross multiply
    43,579.20x = 60,099.36 × 31,014.72
  4. Step 4: Simplify right side
    43,579.20x = 1,863,964,822.58
  5. Step 5: Solve for x
    x = 1,863,964,822.58/43,579.20
  6. Step 6: Final answer
    x = 42,771.89

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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.