Home / 30,847.89-46,271.88-7,474.26

Finding the Fourth Proportional to 30,847.89, 46,271.88 and 7,474.26

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Solution

The fourth proportional to 30,847.89, 46,271.88 and 7,474.26 is: 11,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.89 : 46,271.88 = 7,474.26 : x
  2. Step 2: Convert to fraction form
    30,847.89/46,271.88 = 7,474.26/x
  3. Step 3: Cross multiply
    30,847.89x = 46,271.88 × 7,474.26
  4. Step 4: Simplify right side
    30,847.89x = 345,848,061.81
  5. Step 5: Solve for x
    x = 345,848,061.81/30,847.89
  6. Step 6: Final answer
    x = 11,211.40

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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.