Home / 38,744.56-53,468.29-21,750.03

Finding the Fourth Proportional to 38,744.56, 53,468.29 and 21,750.03

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Solution

The fourth proportional to 38,744.56, 53,468.29 and 21,750.03 is: 30,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,744.56 : 53,468.29 = 21,750.03 : x
  2. Step 2: Convert to fraction form
    38,744.56/53,468.29 = 21,750.03/x
  3. Step 3: Cross multiply
    38,744.56x = 53,468.29 × 21,750.03
  4. Step 4: Simplify right side
    38,744.56x = 1,162,936,911.55
  5. Step 5: Solve for x
    x = 1,162,936,911.55/38,744.56
  6. Step 6: Final answer
    x = 30,015.49

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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.