Home / 30,800.04-46,202.98-8,613.41

Finding the Fourth Proportional to 30,800.04, 46,202.98 and 8,613.41

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Solution

The fourth proportional to 30,800.04, 46,202.98 and 8,613.41 is: 12,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.04 : 46,202.98 = 8,613.41 : x
  2. Step 2: Convert to fraction form
    30,800.04/46,202.98 = 8,613.41/x
  3. Step 3: Cross multiply
    30,800.04x = 46,202.98 × 8,613.41
  4. Step 4: Simplify right side
    30,800.04x = 397,965,303.94
  5. Step 5: Solve for x
    x = 397,965,303.94/30,800.04
  6. Step 6: Final answer
    x = 12,920.93

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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.