Home / 49,886.82-74,830.01-12,446.84

Finding the Fourth Proportional to 49,886.82, 74,830.01 and 12,446.84

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Solution

The fourth proportional to 49,886.82, 74,830.01 and 12,446.84 is: 18,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.82 : 74,830.01 = 12,446.84 : x
  2. Step 2: Convert to fraction form
    49,886.82/74,830.01 = 12,446.84/x
  3. Step 3: Cross multiply
    49,886.82x = 74,830.01 × 12,446.84
  4. Step 4: Simplify right side
    49,886.82x = 931,397,161.67
  5. Step 5: Solve for x
    x = 931,397,161.67/49,886.82
  6. Step 6: Final answer
    x = 18,670.21

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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.