Home / 38,922.21-53,709.01-23,003.55

Finding the Fourth Proportional to 38,922.21, 53,709.01 and 23,003.55

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Solution

The fourth proportional to 38,922.21, 53,709.01 and 23,003.55 is: 31,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.21 : 53,709.01 = 23,003.55 : x
  2. Step 2: Convert to fraction form
    38,922.21/53,709.01 = 23,003.55/x
  3. Step 3: Cross multiply
    38,922.21x = 53,709.01 × 23,003.55
  4. Step 4: Simplify right side
    38,922.21x = 1,235,497,839.48
  5. Step 5: Solve for x
    x = 1,235,497,839.48/38,922.21
  6. Step 6: Final answer
    x = 31,742.75

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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.