Home / 69,938.64-104,803.20-30,474.36

Finding the Fourth Proportional to 69,938.64, 104,803.20 and 30,474.36

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Solution

The fourth proportional to 69,938.64, 104,803.20 and 30,474.36 is: 45,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,938.64 : 104,803.20 = 30,474.36 : x
  2. Step 2: Convert to fraction form
    69,938.64/104,803.20 = 30,474.36/x
  3. Step 3: Cross multiply
    69,938.64x = 104,803.20 × 30,474.36
  4. Step 4: Simplify right side
    69,938.64x = 3,193,810,445.95
  5. Step 5: Solve for x
    x = 3,193,810,445.95/69,938.64
  6. Step 6: Final answer
    x = 45,665.89

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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.