Home / 30,851.94-46,014.68-30,318.86

Finding the Fourth Proportional to 30,851.94, 46,014.68 and 30,318.86

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Solution

The fourth proportional to 30,851.94, 46,014.68 and 30,318.86 is: 45,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.94 : 46,014.68 = 30,318.86 : x
  2. Step 2: Convert to fraction form
    30,851.94/46,014.68 = 30,318.86/x
  3. Step 3: Cross multiply
    30,851.94x = 46,014.68 × 30,318.86
  4. Step 4: Simplify right side
    30,851.94x = 1,395,112,640.86
  5. Step 5: Solve for x
    x = 1,395,112,640.86/30,851.94
  6. Step 6: Final answer
    x = 45,219.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.