Home / 69,328.19-103,999.60-21,949.82

Finding the Fourth Proportional to 69,328.19, 103,999.60 and 21,949.82

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Solution

The fourth proportional to 69,328.19, 103,999.60 and 21,949.82 is: 32,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328.19 : 103,999.60 = 21,949.82 : x
  2. Step 2: Convert to fraction form
    69,328.19/103,999.60 = 21,949.82/x
  3. Step 3: Cross multiply
    69,328.19x = 103,999.60 × 21,949.82
  4. Step 4: Simplify right side
    69,328.19x = 2,282,772,274.04
  5. Step 5: Solve for x
    x = 2,282,772,274.04/69,328.19
  6. Step 6: Final answer
    x = 32,927.04

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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.