Home / 31,096.80-46,742.40-30,513.60

Finding the Fourth Proportional to 31,096.80, 46,742.40 and 30,513.60

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Solution

The fourth proportional to 31,096.80, 46,742.40 and 30,513.60 is: 45,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,096.80 : 46,742.40 = 30,513.60 : x
  2. Step 2: Convert to fraction form
    31,096.80/46,742.40 = 30,513.60/x
  3. Step 3: Cross multiply
    31,096.80x = 46,742.40 × 30,513.60
  4. Step 4: Simplify right side
    31,096.80x = 1,426,278,896.64
  5. Step 5: Solve for x
    x = 1,426,278,896.64/31,096.80
  6. Step 6: Final answer
    x = 45,865.78

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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.