Home / 42,878.44-64,324.96-14,790.88

Finding the Fourth Proportional to 42,878.44, 64,324.96 and 14,790.88

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Solution

The fourth proportional to 42,878.44, 64,324.96 and 14,790.88 is: 22,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878.44 : 64,324.96 = 14,790.88 : x
  2. Step 2: Convert to fraction form
    42,878.44/64,324.96 = 14,790.88/x
  3. Step 3: Cross multiply
    42,878.44x = 64,324.96 × 14,790.88
  4. Step 4: Simplify right side
    42,878.44x = 951,422,764.36
  5. Step 5: Solve for x
    x = 951,422,764.36/42,878.44
  6. Step 6: Final answer
    x = 22,188.84

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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.