Home / 35,921.58-49,565.84-21,774.42

Finding the Fourth Proportional to 35,921.58, 49,565.84 and 21,774.42

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Solution

The fourth proportional to 35,921.58, 49,565.84 and 21,774.42 is: 30,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.58 : 49,565.84 = 21,774.42 : x
  2. Step 2: Convert to fraction form
    35,921.58/49,565.84 = 21,774.42/x
  3. Step 3: Cross multiply
    35,921.58x = 49,565.84 × 21,774.42
  4. Step 4: Simplify right side
    35,921.58x = 1,079,267,308.94
  5. Step 5: Solve for x
    x = 1,079,267,308.94/35,921.58
  6. Step 6: Final answer
    x = 30,045.10

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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.