Home / 69,938.46-104,832.99-39,888.00

Finding the Fourth Proportional to 69,938.46, 104,832.99 and 39,888.00

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Solution

The fourth proportional to 69,938.46, 104,832.99 and 39,888.00 is: 59,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,938.46 : 104,832.99 = 39,888.00 : x
  2. Step 2: Convert to fraction form
    69,938.46/104,832.99 = 39,888.00/x
  3. Step 3: Cross multiply
    69,938.46x = 104,832.99 × 39,888.00
  4. Step 4: Simplify right side
    69,938.46x = 4,181,578,584.46
  5. Step 5: Solve for x
    x = 4,181,578,584.46/69,938.46
  6. Step 6: Final answer
    x = 59,789.40

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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.