Home / 30,923.54-42,674.19-16,776.44

Finding the Fourth Proportional to 30,923.54, 42,674.19 and 16,776.44

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Solution

The fourth proportional to 30,923.54, 42,674.19 and 16,776.44 is: 23,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.54 : 42,674.19 = 16,776.44 : x
  2. Step 2: Convert to fraction form
    30,923.54/42,674.19 = 16,776.44/x
  3. Step 3: Cross multiply
    30,923.54x = 42,674.19 × 16,776.44
  4. Step 4: Simplify right side
    30,923.54x = 715,920,988.08
  5. Step 5: Solve for x
    x = 715,920,988.08/30,923.54
  6. Step 6: Final answer
    x = 23,151.33

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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.