Home / 49,885.58-74,806.35-18,698.96

Finding the Fourth Proportional to 49,885.58, 74,806.35 and 18,698.96

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Solution

The fourth proportional to 49,885.58, 74,806.35 and 18,698.96 is: 28,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.58 : 74,806.35 = 18,698.96 : x
  2. Step 2: Convert to fraction form
    49,885.58/74,806.35 = 18,698.96/x
  3. Step 3: Cross multiply
    49,885.58x = 74,806.35 × 18,698.96
  4. Step 4: Simplify right side
    49,885.58x = 1,398,800,946.40
  5. Step 5: Solve for x
    x = 1,398,800,946.40/49,885.58
  6. Step 6: Final answer
    x = 28,040.19

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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.