Home / 69,531.31-104,235.10-25,148.19

Finding the Fourth Proportional to 69,531.31, 104,235.10 and 25,148.19

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Solution

The fourth proportional to 69,531.31, 104,235.10 and 25,148.19 is: 37,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,531.31 : 104,235.10 = 25,148.19 : x
  2. Step 2: Convert to fraction form
    69,531.31/104,235.10 = 25,148.19/x
  3. Step 3: Cross multiply
    69,531.31x = 104,235.10 × 25,148.19
  4. Step 4: Simplify right side
    69,531.31x = 2,621,324,099.47
  5. Step 5: Solve for x
    x = 2,621,324,099.47/69,531.31
  6. Step 6: Final answer
    x = 37,699.91

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1.5x scale

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.