Home / 29,116.20-43,637.72-12,456.64

Finding the Fourth Proportional to 29,116.20, 43,637.72 and 12,456.64

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Solution

The fourth proportional to 29,116.20, 43,637.72 and 12,456.64 is: 18,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.20 : 43,637.72 = 12,456.64 : x
  2. Step 2: Convert to fraction form
    29,116.20/43,637.72 = 12,456.64/x
  3. Step 3: Cross multiply
    29,116.20x = 43,637.72 × 12,456.64
  4. Step 4: Simplify right side
    29,116.20x = 543,579,368.46
  5. Step 5: Solve for x
    x = 543,579,368.46/29,116.20
  6. Step 6: Final answer
    x = 18,669.31

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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.