Home / 35,230.31-48,589.59-30,972.32

Finding the Fourth Proportional to 35,230.31, 48,589.59 and 30,972.32

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Solution

The fourth proportional to 35,230.31, 48,589.59 and 30,972.32 is: 42,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.31 : 48,589.59 = 30,972.32 : x
  2. Step 2: Convert to fraction form
    35,230.31/48,589.59 = 30,972.32/x
  3. Step 3: Cross multiply
    35,230.31x = 48,589.59 × 30,972.32
  4. Step 4: Simplify right side
    35,230.31x = 1,504,932,330.15
  5. Step 5: Solve for x
    x = 1,504,932,330.15/35,230.31
  6. Step 6: Final answer
    x = 42,716.98

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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.