Home / 30,771.68-42,464.94-16,624.52

Finding the Fourth Proportional to 30,771.68, 42,464.94 and 16,624.52

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Solution

The fourth proportional to 30,771.68, 42,464.94 and 16,624.52 is: 22,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.68 : 42,464.94 = 16,624.52 : x
  2. Step 2: Convert to fraction form
    30,771.68/42,464.94 = 16,624.52/x
  3. Step 3: Cross multiply
    30,771.68x = 42,464.94 × 16,624.52
  4. Step 4: Simplify right side
    30,771.68x = 705,959,244.33
  5. Step 5: Solve for x
    x = 705,959,244.33/30,771.68
  6. Step 6: Final answer
    x = 22,941.85

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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.