Home / 30,994.28-46,490.96-7,620.92

Finding the Fourth Proportional to 30,994.28, 46,490.96 and 7,620.92

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Solution

The fourth proportional to 30,994.28, 46,490.96 and 7,620.92 is: 11,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.28 : 46,490.96 = 7,620.92 : x
  2. Step 2: Convert to fraction form
    30,994.28/46,490.96 = 7,620.92/x
  3. Step 3: Cross multiply
    30,994.28x = 46,490.96 × 7,620.92
  4. Step 4: Simplify right side
    30,994.28x = 354,303,886.88
  5. Step 5: Solve for x
    x = 354,303,886.88/30,994.28
  6. Step 6: Final answer
    x = 11,431.27

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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.