Home / 69,450.28-95,840.87-39,235.05

Finding the Fourth Proportional to 69,450.28, 95,840.87 and 39,235.05

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Solution

The fourth proportional to 69,450.28, 95,840.87 and 39,235.05 is: 54,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,450.28 : 95,840.87 = 39,235.05 : x
  2. Step 2: Convert to fraction form
    69,450.28/95,840.87 = 39,235.05/x
  3. Step 3: Cross multiply
    69,450.28x = 95,840.87 × 39,235.05
  4. Step 4: Simplify right side
    69,450.28x = 3,760,321,130.32
  5. Step 5: Solve for x
    x = 3,760,321,130.32/69,450.28
  6. Step 6: Final answer
    x = 54,144.08

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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.