Home / 35,230.45-48,612.73-20,119.89

Finding the Fourth Proportional to 35,230.45, 48,612.73 and 20,119.89

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Solution

The fourth proportional to 35,230.45, 48,612.73 and 20,119.89 is: 27,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.45 : 48,612.73 = 20,119.89 : x
  2. Step 2: Convert to fraction form
    35,230.45/48,612.73 = 20,119.89/x
  3. Step 3: Cross multiply
    35,230.45x = 48,612.73 × 20,119.89
  4. Step 4: Simplify right side
    35,230.45x = 978,082,729.90
  5. Step 5: Solve for x
    x = 978,082,729.90/35,230.45
  6. Step 6: Final answer
    x = 27,762.43

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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.