Home / 30,847.14-46,270.31-7,473.78

Finding the Fourth Proportional to 30,847.14, 46,270.31 and 7,473.78

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Solution

The fourth proportional to 30,847.14, 46,270.31 and 7,473.78 is: 11,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.14 : 46,270.31 = 7,473.78 : x
  2. Step 2: Convert to fraction form
    30,847.14/46,270.31 = 7,473.78/x
  3. Step 3: Cross multiply
    30,847.14x = 46,270.31 × 7,473.78
  4. Step 4: Simplify right side
    30,847.14x = 345,814,080.10
  5. Step 5: Solve for x
    x = 345,814,080.10/30,847.14
  6. Step 6: Final answer
    x = 11,210.57

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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.