Home / 69,822.89-104,750.74-19,903.70

Finding the Fourth Proportional to 69,822.89, 104,750.74 and 19,903.70

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Solution

The fourth proportional to 69,822.89, 104,750.74 and 19,903.70 is: 29,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,822.89 : 104,750.74 = 19,903.70 : x
  2. Step 2: Convert to fraction form
    69,822.89/104,750.74 = 19,903.70/x
  3. Step 3: Cross multiply
    69,822.89x = 104,750.74 × 19,903.70
  4. Step 4: Simplify right side
    69,822.89x = 2,084,927,590.49
  5. Step 5: Solve for x
    x = 2,084,927,590.49/69,822.89
  6. Step 6: Final answer
    x = 29,860.23

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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.