Home / 35,047.28-48,363.40-19,128.64

Finding the Fourth Proportional to 35,047.28, 48,363.40 and 19,128.64

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Solution

The fourth proportional to 35,047.28, 48,363.40 and 19,128.64 is: 26,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,047.28 : 48,363.40 = 19,128.64 : x
  2. Step 2: Convert to fraction form
    35,047.28/48,363.40 = 19,128.64/x
  3. Step 3: Cross multiply
    35,047.28x = 48,363.40 × 19,128.64
  4. Step 4: Simplify right side
    35,047.28x = 925,126,067.78
  5. Step 5: Solve for x
    x = 925,126,067.78/35,047.28
  6. Step 6: Final answer
    x = 26,396.52

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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.