Home / 30,700.37-46,040.75-11,975.85

Finding the Fourth Proportional to 30,700.37, 46,040.75 and 11,975.85

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Solution

The fourth proportional to 30,700.37, 46,040.75 and 11,975.85 is: 17,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.37 : 46,040.75 = 11,975.85 : x
  2. Step 2: Convert to fraction form
    30,700.37/46,040.75 = 11,975.85/x
  3. Step 3: Cross multiply
    30,700.37x = 46,040.75 × 11,975.85
  4. Step 4: Simplify right side
    30,700.37x = 551,377,168.28
  5. Step 5: Solve for x
    x = 551,377,168.28/30,700.37
  6. Step 6: Final answer
    x = 17,959.95

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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.