Home / 36,455.64-50,308.77-19,688.64

Finding the Fourth Proportional to 36,455.64, 50,308.77 and 19,688.64

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Solution

The fourth proportional to 36,455.64, 50,308.77 and 19,688.64 is: 27,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.64 : 50,308.77 = 19,688.64 : x
  2. Step 2: Convert to fraction form
    36,455.64/50,308.77 = 19,688.64/x
  3. Step 3: Cross multiply
    36,455.64x = 50,308.77 × 19,688.64
  4. Step 4: Simplify right side
    36,455.64x = 990,511,261.37
  5. Step 5: Solve for x
    x = 990,511,261.37/36,455.64
  6. Step 6: Final answer
    x = 27,170.32

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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.