Home / 39,020.34-53,847.66-21,114.96

Finding the Fourth Proportional to 39,020.34, 53,847.66 and 21,114.96

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Solution

The fourth proportional to 39,020.34, 53,847.66 and 21,114.96 is: 29,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.34 : 53,847.66 = 21,114.96 : x
  2. Step 2: Convert to fraction form
    39,020.34/53,847.66 = 21,114.96/x
  3. Step 3: Cross multiply
    39,020.34x = 53,847.66 × 21,114.96
  4. Step 4: Simplify right side
    39,020.34x = 1,136,991,186.99
  5. Step 5: Solve for x
    x = 1,136,991,186.99/39,020.34
  6. Step 6: Final answer
    x = 29,138.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.