Home / 38,067.77-52,532.69-20,840.10

Finding the Fourth Proportional to 38,067.77, 52,532.69 and 20,840.10

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Solution

The fourth proportional to 38,067.77, 52,532.69 and 20,840.10 is: 28,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.77 : 52,532.69 = 20,840.10 : x
  2. Step 2: Convert to fraction form
    38,067.77/52,532.69 = 20,840.10/x
  3. Step 3: Cross multiply
    38,067.77x = 52,532.69 × 20,840.10
  4. Step 4: Simplify right side
    38,067.77x = 1,094,786,250.21
  5. Step 5: Solve for x
    x = 1,094,786,250.21/38,067.77
  6. Step 6: Final answer
    x = 28,758.88

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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.