Home / 69,119.55-95,388.10-38,915.26

Finding the Fourth Proportional to 69,119.55, 95,388.10 and 38,915.26

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Solution

The fourth proportional to 69,119.55, 95,388.10 and 38,915.26 is: 53,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119.55 : 95,388.10 = 38,915.26 : x
  2. Step 2: Convert to fraction form
    69,119.55/95,388.10 = 38,915.26/x
  3. Step 3: Cross multiply
    69,119.55x = 95,388.10 × 38,915.26
  4. Step 4: Simplify right side
    69,119.55x = 3,712,052,376.65
  5. Step 5: Solve for x
    x = 3,712,052,376.65/69,119.55
  6. Step 6: Final answer
    x = 53,704.81

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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.