Home / 30,704.40-46,057.55-11,983.68

Finding the Fourth Proportional to 30,704.40, 46,057.55 and 11,983.68

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Solution

The fourth proportional to 30,704.40, 46,057.55 and 11,983.68 is: 17,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.40 : 46,057.55 = 11,983.68 : x
  2. Step 2: Convert to fraction form
    30,704.40/46,057.55 = 11,983.68/x
  3. Step 3: Cross multiply
    30,704.40x = 46,057.55 × 11,983.68
  4. Step 4: Simplify right side
    30,704.40x = 551,938,880.87
  5. Step 5: Solve for x
    x = 551,938,880.87/30,704.40
  6. Step 6: Final answer
    x = 17,975.89

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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.