Home / 69,119.80-95,388.45-38,915.50

Finding the Fourth Proportional to 69,119.80, 95,388.45 and 38,915.50

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Solution

The fourth proportional to 69,119.80, 95,388.45 and 38,915.50 is: 53,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119.80 : 95,388.45 = 38,915.50 : x
  2. Step 2: Convert to fraction form
    69,119.80/95,388.45 = 38,915.50/x
  3. Step 3: Cross multiply
    69,119.80x = 95,388.45 × 38,915.50
  4. Step 4: Simplify right side
    69,119.80x = 3,712,089,225.98
  5. Step 5: Solve for x
    x = 3,712,089,225.98/69,119.80
  6. Step 6: Final answer
    x = 53,705.15

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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.