Home / 43,016.77-64,541.71-20,828.44

Finding the Fourth Proportional to 43,016.77, 64,541.71 and 20,828.44

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Solution

The fourth proportional to 43,016.77, 64,541.71 and 20,828.44 is: 31,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.77 : 64,541.71 = 20,828.44 : x
  2. Step 2: Convert to fraction form
    43,016.77/64,541.71 = 20,828.44/x
  3. Step 3: Cross multiply
    43,016.77x = 64,541.71 × 20,828.44
  4. Step 4: Simplify right side
    43,016.77x = 1,344,303,240.95
  5. Step 5: Solve for x
    x = 1,344,303,240.95/43,016.77
  6. Step 6: Final answer
    x = 31,250.68

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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.