Home / 43,921.24-65,834.67-18,973.04

Finding the Fourth Proportional to 43,921.24, 65,834.67 and 18,973.04

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Solution

The fourth proportional to 43,921.24, 65,834.67 and 18,973.04 is: 28,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.24 : 65,834.67 = 18,973.04 : x
  2. Step 2: Convert to fraction form
    43,921.24/65,834.67 = 18,973.04/x
  3. Step 3: Cross multiply
    43,921.24x = 65,834.67 × 18,973.04
  4. Step 4: Simplify right side
    43,921.24x = 1,249,083,569.27
  5. Step 5: Solve for x
    x = 1,249,083,569.27/43,921.24
  6. Step 6: Final answer
    x = 28,439.17

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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.