Home / 50,811.53-70,122.38-30,668.04

Finding the Fourth Proportional to 50,811.53, 70,122.38 and 30,668.04

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Solution

The fourth proportional to 50,811.53, 70,122.38 and 30,668.04 is: 42,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.53 : 70,122.38 = 30,668.04 : x
  2. Step 2: Convert to fraction form
    50,811.53/70,122.38 = 30,668.04/x
  3. Step 3: Cross multiply
    50,811.53x = 70,122.38 × 30,668.04
  4. Step 4: Simplify right side
    50,811.53x = 2,150,515,801.40
  5. Step 5: Solve for x
    x = 2,150,515,801.40/50,811.53
  6. Step 6: Final answer
    x = 42,323.39

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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.