Home / 29,309.63-43,976.75-12,661.10

Finding the Fourth Proportional to 29,309.63, 43,976.75 and 12,661.10

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Solution

The fourth proportional to 29,309.63, 43,976.75 and 12,661.10 is: 18,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.63 : 43,976.75 = 12,661.10 : x
  2. Step 2: Convert to fraction form
    29,309.63/43,976.75 = 12,661.10/x
  3. Step 3: Cross multiply
    29,309.63x = 43,976.75 × 12,661.10
  4. Step 4: Simplify right side
    29,309.63x = 556,793,746.24
  5. Step 5: Solve for x
    x = 556,793,746.24/29,309.63
  6. Step 6: Final answer
    x = 18,996.96

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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.