Home / 35,120.06-48,464.15-20,015.99

Finding the Fourth Proportional to 35,120.06, 48,464.15 and 20,015.99

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Solution

The fourth proportional to 35,120.06, 48,464.15 and 20,015.99 is: 27,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.06 : 48,464.15 = 20,015.99 : x
  2. Step 2: Convert to fraction form
    35,120.06/48,464.15 = 20,015.99/x
  3. Step 3: Cross multiply
    35,120.06x = 48,464.15 × 20,015.99
  4. Step 4: Simplify right side
    35,120.06x = 970,057,599.36
  5. Step 5: Solve for x
    x = 970,057,599.36/35,120.06
  6. Step 6: Final answer
    x = 27,621.19

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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.