Home / 35,784.12-49,379.60-19,867.32

Finding the Fourth Proportional to 35,784.12, 49,379.60 and 19,867.32

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Solution

The fourth proportional to 35,784.12, 49,379.60 and 19,867.32 is: 27,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.12 : 49,379.60 = 19,867.32 : x
  2. Step 2: Convert to fraction form
    35,784.12/49,379.60 = 19,867.32/x
  3. Step 3: Cross multiply
    35,784.12x = 49,379.60 × 19,867.32
  4. Step 4: Simplify right side
    35,784.12x = 981,040,314.67
  5. Step 5: Solve for x
    x = 981,040,314.67/35,784.12
  6. Step 6: Final answer
    x = 27,415.52

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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.