Home / 43,014.70-64,540.26-20,844.58

Finding the Fourth Proportional to 43,014.70, 64,540.26 and 20,844.58

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Solution

The fourth proportional to 43,014.70, 64,540.26 and 20,844.58 is: 31,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,014.70 : 64,540.26 = 20,844.58 : x
  2. Step 2: Convert to fraction form
    43,014.70/64,540.26 = 20,844.58/x
  3. Step 3: Cross multiply
    43,014.70x = 64,540.26 × 20,844.58
  4. Step 4: Simplify right side
    43,014.70x = 1,345,314,612.79
  5. Step 5: Solve for x
    x = 1,345,314,612.79/43,014.70
  6. Step 6: Final answer
    x = 31,275.69

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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.