Home / 69,607.56-104,405.70-19,685.64

Finding the Fourth Proportional to 69,607.56, 104,405.70 and 19,685.64

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Solution

The fourth proportional to 69,607.56, 104,405.70 and 19,685.64 is: 29,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,607.56 : 104,405.70 = 19,685.64 : x
  2. Step 2: Convert to fraction form
    69,607.56/104,405.70 = 19,685.64/x
  3. Step 3: Cross multiply
    69,607.56x = 104,405.70 × 19,685.64
  4. Step 4: Simplify right side
    69,607.56x = 2,055,293,024.15
  5. Step 5: Solve for x
    x = 2,055,293,024.15/69,607.56
  6. Step 6: Final answer
    x = 29,526.86

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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.