Home / 69,543.24-104,362.36-38,400.36

Finding the Fourth Proportional to 69,543.24, 104,362.36 and 38,400.36

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Solution

The fourth proportional to 69,543.24, 104,362.36 and 38,400.36 is: 57,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.24 : 104,362.36 = 38,400.36 : x
  2. Step 2: Convert to fraction form
    69,543.24/104,362.36 = 38,400.36/x
  3. Step 3: Cross multiply
    69,543.24x = 104,362.36 × 38,400.36
  4. Step 4: Simplify right side
    69,543.24x = 4,007,552,194.45
  5. Step 5: Solve for x
    x = 4,007,552,194.45/69,543.24
  6. Step 6: Final answer
    x = 57,626.77

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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.