Home / 30,577.36-42,194.88-17,147.64

Finding the Fourth Proportional to 30,577.36, 42,194.88 and 17,147.64

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Solution

The fourth proportional to 30,577.36, 42,194.88 and 17,147.64 is: 23,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.36 : 42,194.88 = 17,147.64 : x
  2. Step 2: Convert to fraction form
    30,577.36/42,194.88 = 17,147.64/x
  3. Step 3: Cross multiply
    30,577.36x = 42,194.88 × 17,147.64
  4. Step 4: Simplify right side
    30,577.36x = 723,542,612.08
  5. Step 5: Solve for x
    x = 723,542,612.08/30,577.36
  6. Step 6: Final answer
    x = 23,662.69

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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.