Home / 69,635.64-96,099.32-39,420.36

Finding the Fourth Proportional to 69,635.64, 96,099.32 and 39,420.36

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Solution

The fourth proportional to 69,635.64, 96,099.32 and 39,420.36 is: 54,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,635.64 : 96,099.32 = 39,420.36 : x
  2. Step 2: Convert to fraction form
    69,635.64/96,099.32 = 39,420.36/x
  3. Step 3: Cross multiply
    69,635.64x = 96,099.32 × 39,420.36
  4. Step 4: Simplify right side
    69,635.64x = 3,788,269,790.16
  5. Step 5: Solve for x
    x = 3,788,269,790.16/69,635.64
  6. Step 6: Final answer
    x = 54,401.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.