Home / 30,150.36-41,593.50-18,812.52

Finding the Fourth Proportional to 30,150.36, 41,593.50 and 18,812.52

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Solution

The fourth proportional to 30,150.36, 41,593.50 and 18,812.52 is: 25,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.36 : 41,593.50 = 18,812.52 : x
  2. Step 2: Convert to fraction form
    30,150.36/41,593.50 = 18,812.52/x
  3. Step 3: Cross multiply
    30,150.36x = 41,593.50 × 18,812.52
  4. Step 4: Simplify right side
    30,150.36x = 782,478,550.62
  5. Step 5: Solve for x
    x = 782,478,550.62/30,150.36
  6. Step 6: Final answer
    x = 25,952.54

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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.