Home / 38,968.08-53,776.35-21,063.44

Finding the Fourth Proportional to 38,968.08, 53,776.35 and 21,063.44

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Solution

The fourth proportional to 38,968.08, 53,776.35 and 21,063.44 is: 29,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.08 : 53,776.35 = 21,063.44 : x
  2. Step 2: Convert to fraction form
    38,968.08/53,776.35 = 21,063.44/x
  3. Step 3: Cross multiply
    38,968.08x = 53,776.35 × 21,063.44
  4. Step 4: Simplify right side
    38,968.08x = 1,132,714,652.76
  5. Step 5: Solve for x
    x = 1,132,714,652.76/38,968.08
  6. Step 6: Final answer
    x = 29,067.76

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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.