Home / 30,136.22-45,200.48-7,951.26

Finding the Fourth Proportional to 30,136.22, 45,200.48 and 7,951.26

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Solution

The fourth proportional to 30,136.22, 45,200.48 and 7,951.26 is: 11,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.22 : 45,200.48 = 7,951.26 : x
  2. Step 2: Convert to fraction form
    30,136.22/45,200.48 = 7,951.26/x
  3. Step 3: Cross multiply
    30,136.22x = 45,200.48 × 7,951.26
  4. Step 4: Simplify right side
    30,136.22x = 359,400,728.85
  5. Step 5: Solve for x
    x = 359,400,728.85/30,136.22
  6. Step 6: Final answer
    x = 11,925.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.