Home / 35,784.32-49,380.41-19,867.75

Finding the Fourth Proportional to 35,784.32, 49,380.41 and 19,867.75

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Solution

The fourth proportional to 35,784.32, 49,380.41 and 19,867.75 is: 27,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.32 : 49,380.41 = 19,867.75 : x
  2. Step 2: Convert to fraction form
    35,784.32/49,380.41 = 19,867.75/x
  3. Step 3: Cross multiply
    35,784.32x = 49,380.41 × 19,867.75
  4. Step 4: Simplify right side
    35,784.32x = 981,077,567.00
  5. Step 5: Solve for x
    x = 981,077,567.00/35,784.32
  6. Step 6: Final answer
    x = 27,416.41

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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.