Home / 69,283.64-103,858.63-31,869.34

Finding the Fourth Proportional to 69,283.64, 103,858.63 and 31,869.34

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Solution

The fourth proportional to 69,283.64, 103,858.63 and 31,869.34 is: 47,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,283.64 : 103,858.63 = 31,869.34 : x
  2. Step 2: Convert to fraction form
    69,283.64/103,858.63 = 31,869.34/x
  3. Step 3: Cross multiply
    69,283.64x = 103,858.63 × 31,869.34
  4. Step 4: Simplify right side
    69,283.64x = 3,309,905,991.40
  5. Step 5: Solve for x
    x = 3,309,905,991.40/69,283.64
  6. Step 6: Final answer
    x = 47,773.27

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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.