Home / 30,766.68-42,458.04-16,619.52

Finding the Fourth Proportional to 30,766.68, 42,458.04 and 16,619.52

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Solution

The fourth proportional to 30,766.68, 42,458.04 and 16,619.52 is: 22,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766.68 : 42,458.04 = 16,619.52 : x
  2. Step 2: Convert to fraction form
    30,766.68/42,458.04 = 16,619.52/x
  3. Step 3: Cross multiply
    30,766.68x = 42,458.04 × 16,619.52
  4. Step 4: Simplify right side
    30,766.68x = 705,632,244.94
  5. Step 5: Solve for x
    x = 705,632,244.94/30,766.68
  6. Step 6: Final answer
    x = 22,934.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.