Home / 38,255.56-52,792.30-21,259.84

Finding the Fourth Proportional to 38,255.56, 52,792.30 and 21,259.84

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Solution

The fourth proportional to 38,255.56, 52,792.30 and 21,259.84 is: 29,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.56 : 52,792.30 = 21,259.84 : x
  2. Step 2: Convert to fraction form
    38,255.56/52,792.30 = 21,259.84/x
  3. Step 3: Cross multiply
    38,255.56x = 52,792.30 × 21,259.84
  4. Step 4: Simplify right side
    38,255.56x = 1,122,355,851.23
  5. Step 5: Solve for x
    x = 1,122,355,851.23/38,255.56
  6. Step 6: Final answer
    x = 29,338.37

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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.