Home / 35,350.98-53,023.73-20,550.45

Finding the Fourth Proportional to 35,350.98, 53,023.73 and 20,550.45

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Solution

The fourth proportional to 35,350.98, 53,023.73 and 20,550.45 is: 30,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,350.98 : 53,023.73 = 20,550.45 : x
  2. Step 2: Convert to fraction form
    35,350.98/53,023.73 = 20,550.45/x
  3. Step 3: Cross multiply
    35,350.98x = 53,023.73 × 20,550.45
  4. Step 4: Simplify right side
    35,350.98x = 1,089,661,409.43
  5. Step 5: Solve for x
    x = 1,089,661,409.43/35,350.98
  6. Step 6: Final answer
    x = 30,824.08

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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.