Home / 43,115.76-64,666.08-11,953.44

Finding the Fourth Proportional to 43,115.76, 64,666.08 and 11,953.44

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Solution

The fourth proportional to 43,115.76, 64,666.08 and 11,953.44 is: 17,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115.76 : 64,666.08 = 11,953.44 : x
  2. Step 2: Convert to fraction form
    43,115.76/64,666.08 = 11,953.44/x
  3. Step 3: Cross multiply
    43,115.76x = 64,666.08 × 11,953.44
  4. Step 4: Simplify right side
    43,115.76x = 772,982,107.32
  5. Step 5: Solve for x
    x = 772,982,107.32/43,115.76
  6. Step 6: Final answer
    x = 17,928.06

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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.