Home / 44,582.21-66,884.90-12,991.53

Finding the Fourth Proportional to 44,582.21, 66,884.90 and 12,991.53

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Solution

The fourth proportional to 44,582.21, 66,884.90 and 12,991.53 is: 19,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,582.21 : 66,884.90 = 12,991.53 : x
  2. Step 2: Convert to fraction form
    44,582.21/66,884.90 = 12,991.53/x
  3. Step 3: Cross multiply
    44,582.21x = 66,884.90 × 12,991.53
  4. Step 4: Simplify right side
    44,582.21x = 868,937,119.94
  5. Step 5: Solve for x
    x = 868,937,119.94/44,582.21
  6. Step 6: Final answer
    x = 19,490.67

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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.