Home / 38,538.45-53,181.77-22,622.49

Finding the Fourth Proportional to 38,538.45, 53,181.77 and 22,622.49

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Solution

The fourth proportional to 38,538.45, 53,181.77 and 22,622.49 is: 31,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.45 : 53,181.77 = 22,622.49 : x
  2. Step 2: Convert to fraction form
    38,538.45/53,181.77 = 22,622.49/x
  3. Step 3: Cross multiply
    38,538.45x = 53,181.77 × 22,622.49
  4. Step 4: Simplify right side
    38,538.45x = 1,203,103,946.89
  5. Step 5: Solve for x
    x = 1,203,103,946.89/38,538.45
  6. Step 6: Final answer
    x = 31,218.28

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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.