Home / 29,090.85-43,645.67-14,289.38

Finding the Fourth Proportional to 29,090.85, 43,645.67 and 14,289.38

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Solution

The fourth proportional to 29,090.85, 43,645.67 and 14,289.38 is: 21,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.85 : 43,645.67 = 14,289.38 : x
  2. Step 2: Convert to fraction form
    29,090.85/43,645.67 = 14,289.38/x
  3. Step 3: Cross multiply
    29,090.85x = 43,645.67 × 14,289.38
  4. Step 4: Simplify right side
    29,090.85x = 623,669,491.57
  5. Step 5: Solve for x
    x = 623,669,491.57/29,090.85
  6. Step 6: Final answer
    x = 21,438.69

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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.