Home / 35,550.05-49,061.97-20,447.60

Finding the Fourth Proportional to 35,550.05, 49,061.97 and 20,447.60

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Solution

The fourth proportional to 35,550.05, 49,061.97 and 20,447.60 is: 28,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,550.05 : 49,061.97 = 20,447.60 : x
  2. Step 2: Convert to fraction form
    35,550.05/49,061.97 = 20,447.60/x
  3. Step 3: Cross multiply
    35,550.05x = 49,061.97 × 20,447.60
  4. Step 4: Simplify right side
    35,550.05x = 1,003,199,537.77
  5. Step 5: Solve for x
    x = 1,003,199,537.77/35,550.05
  6. Step 6: Final answer
    x = 28,219.36

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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.