Home / 69,852.21-96,393.36-39,635.73

Finding the Fourth Proportional to 69,852.21, 96,393.36 and 39,635.73

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Solution

The fourth proportional to 69,852.21, 96,393.36 and 39,635.73 is: 54,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,852.21 : 96,393.36 = 39,635.73 : x
  2. Step 2: Convert to fraction form
    69,852.21/96,393.36 = 39,635.73/x
  3. Step 3: Cross multiply
    69,852.21x = 96,393.36 × 39,635.73
  4. Step 4: Simplify right side
    69,852.21x = 3,820,620,977.91
  5. Step 5: Solve for x
    x = 3,820,620,977.91/69,852.21
  6. Step 6: Final answer
    x = 54,695.78

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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.