Home / 43,973.28-65,969.16-14,388.81

Finding the Fourth Proportional to 43,973.28, 65,969.16 and 14,388.81

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Solution

The fourth proportional to 43,973.28, 65,969.16 and 14,388.81 is: 21,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,973.28 : 65,969.16 = 14,388.81 : x
  2. Step 2: Convert to fraction form
    43,973.28/65,969.16 = 14,388.81/x
  3. Step 3: Cross multiply
    43,973.28x = 65,969.16 × 14,388.81
  4. Step 4: Simplify right side
    43,973.28x = 949,217,709.10
  5. Step 5: Solve for x
    x = 949,217,709.10/43,973.28
  6. Step 6: Final answer
    x = 21,586.24

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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.