Home / 31,299.42-46,949.21-9,113.33

Finding the Fourth Proportional to 31,299.42, 46,949.21 and 9,113.33

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Solution

The fourth proportional to 31,299.42, 46,949.21 and 9,113.33 is: 13,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.42 : 46,949.21 = 9,113.33 : x
  2. Step 2: Convert to fraction form
    31,299.42/46,949.21 = 9,113.33/x
  3. Step 3: Cross multiply
    31,299.42x = 46,949.21 × 9,113.33
  4. Step 4: Simplify right side
    31,299.42x = 427,863,485.86
  5. Step 5: Solve for x
    x = 427,863,485.86/31,299.42
  6. Step 6: Final answer
    x = 13,670.01

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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.