Home / 69,914.21-104,875.46-21,891.81

Finding the Fourth Proportional to 69,914.21, 104,875.46 and 21,891.81

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Solution

The fourth proportional to 69,914.21, 104,875.46 and 21,891.81 is: 32,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914.21 : 104,875.46 = 21,891.81 : x
  2. Step 2: Convert to fraction form
    69,914.21/104,875.46 = 21,891.81/x
  3. Step 3: Cross multiply
    69,914.21x = 104,875.46 × 21,891.81
  4. Step 4: Simplify right side
    69,914.21x = 2,295,913,534.52
  5. Step 5: Solve for x
    x = 2,295,913,534.52/69,914.21
  6. Step 6: Final answer
    x = 32,839.01

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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.