Home / 43,302.44-64,957.79-12,137.60

Finding the Fourth Proportional to 43,302.44, 64,957.79 and 12,137.60

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Solution

The fourth proportional to 43,302.44, 64,957.79 and 12,137.60 is: 18,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.44 : 64,957.79 = 12,137.60 : x
  2. Step 2: Convert to fraction form
    43,302.44/64,957.79 = 12,137.60/x
  3. Step 3: Cross multiply
    43,302.44x = 64,957.79 × 12,137.60
  4. Step 4: Simplify right side
    43,302.44x = 788,431,377.46
  5. Step 5: Solve for x
    x = 788,431,377.46/43,302.44
  6. Step 6: Final answer
    x = 18,207.55

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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.