Home / 29,051.20-40,077.36-18,976.96

Finding the Fourth Proportional to 29,051.20, 40,077.36 and 18,976.96

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Solution

The fourth proportional to 29,051.20, 40,077.36 and 18,976.96 is: 26,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,051.20 : 40,077.36 = 18,976.96 : x
  2. Step 2: Convert to fraction form
    29,051.20/40,077.36 = 18,976.96/x
  3. Step 3: Cross multiply
    29,051.20x = 40,077.36 × 18,976.96
  4. Step 4: Simplify right side
    29,051.20x = 760,546,457.63
  5. Step 5: Solve for x
    x = 760,546,457.63/29,051.20
  6. Step 6: Final answer
    x = 26,179.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.