Home / 30,763.76-46,144.98-8,576.55

Finding the Fourth Proportional to 30,763.76, 46,144.98 and 8,576.55

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Solution

The fourth proportional to 30,763.76, 46,144.98 and 8,576.55 is: 12,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.76 : 46,144.98 = 8,576.55 : x
  2. Step 2: Convert to fraction form
    30,763.76/46,144.98 = 8,576.55/x
  3. Step 3: Cross multiply
    30,763.76x = 46,144.98 × 8,576.55
  4. Step 4: Simplify right side
    30,763.76x = 395,764,728.22
  5. Step 5: Solve for x
    x = 395,764,728.22/30,763.76
  6. Step 6: Final answer
    x = 12,864.64

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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.