Home / 30,839.90-46,231.50-11,113.64

Finding the Fourth Proportional to 30,839.90, 46,231.50 and 11,113.64

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Solution

The fourth proportional to 30,839.90, 46,231.50 and 11,113.64 is: 16,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.90 : 46,231.50 = 11,113.64 : x
  2. Step 2: Convert to fraction form
    30,839.90/46,231.50 = 11,113.64/x
  3. Step 3: Cross multiply
    30,839.90x = 46,231.50 × 11,113.64
  4. Step 4: Simplify right side
    30,839.90x = 513,800,016.50
  5. Step 5: Solve for x
    x = 513,800,016.50/30,839.90
  6. Step 6: Final answer
    x = 16,660.24

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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.