Home / 30,960.12-46,441.15-8,771.19

Finding the Fourth Proportional to 30,960.12, 46,441.15 and 8,771.19

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Solution

The fourth proportional to 30,960.12, 46,441.15 and 8,771.19 is: 13,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.12 : 46,441.15 = 8,771.19 : x
  2. Step 2: Convert to fraction form
    30,960.12/46,441.15 = 8,771.19/x
  3. Step 3: Cross multiply
    30,960.12x = 46,441.15 × 8,771.19
  4. Step 4: Simplify right side
    30,960.12x = 407,343,954.39
  5. Step 5: Solve for x
    x = 407,343,954.39/30,960.12
  6. Step 6: Final answer
    x = 13,157.05

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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.