Home / 49,770.40-74,630.21-16,478.45

Finding the Fourth Proportional to 49,770.40, 74,630.21 and 16,478.45

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Solution

The fourth proportional to 49,770.40, 74,630.21 and 16,478.45 is: 24,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.40 : 74,630.21 = 16,478.45 : x
  2. Step 2: Convert to fraction form
    49,770.40/74,630.21 = 16,478.45/x
  3. Step 3: Cross multiply
    49,770.40x = 74,630.21 × 16,478.45
  4. Step 4: Simplify right side
    49,770.40x = 1,229,790,225.17
  5. Step 5: Solve for x
    x = 1,229,790,225.17/49,770.40
  6. Step 6: Final answer
    x = 24,709.27

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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.