Home / 30,960.42-46,401.54-16,891.12

Finding the Fourth Proportional to 30,960.42, 46,401.54 and 16,891.12

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Solution

The fourth proportional to 30,960.42, 46,401.54 and 16,891.12 is: 25,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.42 : 46,401.54 = 16,891.12 : x
  2. Step 2: Convert to fraction form
    30,960.42/46,401.54 = 16,891.12/x
  3. Step 3: Cross multiply
    30,960.42x = 46,401.54 × 16,891.12
  4. Step 4: Simplify right side
    30,960.42x = 783,773,980.32
  5. Step 5: Solve for x
    x = 783,773,980.32/30,960.42
  6. Step 6: Final answer
    x = 25,315.36

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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.