Home / 38,297.63-52,850.75-21,530.63

Finding the Fourth Proportional to 38,297.63, 52,850.75 and 21,530.63

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Solution

The fourth proportional to 38,297.63, 52,850.75 and 21,530.63 is: 29,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,297.63 : 52,850.75 = 21,530.63 : x
  2. Step 2: Convert to fraction form
    38,297.63/52,850.75 = 21,530.63/x
  3. Step 3: Cross multiply
    38,297.63x = 52,850.75 × 21,530.63
  4. Step 4: Simplify right side
    38,297.63x = 1,137,909,571.57
  5. Step 5: Solve for x
    x = 1,137,909,571.57/38,297.63
  6. Step 6: Final answer
    x = 29,712.28

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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.