Home / 43,102.63-64,653.94-11,937.88

Finding the Fourth Proportional to 43,102.63, 64,653.94 and 11,937.88

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Solution

The fourth proportional to 43,102.63, 64,653.94 and 11,937.88 is: 17,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.63 : 64,653.94 = 11,937.88 : x
  2. Step 2: Convert to fraction form
    43,102.63/64,653.94 = 11,937.88/x
  3. Step 3: Cross multiply
    43,102.63x = 64,653.94 × 11,937.88
  4. Step 4: Simplify right side
    43,102.63x = 771,830,653.98
  5. Step 5: Solve for x
    x = 771,830,653.98/43,102.63
  6. Step 6: Final answer
    x = 17,906.81

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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.