Home / 35,783.22-49,381.08-19,651.20

Finding the Fourth Proportional to 35,783.22, 49,381.08 and 19,651.20

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Solution

The fourth proportional to 35,783.22, 49,381.08 and 19,651.20 is: 27,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.22 : 49,381.08 = 19,651.20 : x
  2. Step 2: Convert to fraction form
    35,783.22/49,381.08 = 19,651.20/x
  3. Step 3: Cross multiply
    35,783.22x = 49,381.08 × 19,651.20
  4. Step 4: Simplify right side
    35,783.22x = 970,397,479.30
  5. Step 5: Solve for x
    x = 970,397,479.30/35,783.22
  6. Step 6: Final answer
    x = 27,118.79

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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.