Home / 30,086.52-45,133.97-12,552.32

Finding the Fourth Proportional to 30,086.52, 45,133.97 and 12,552.32

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Solution

The fourth proportional to 30,086.52, 45,133.97 and 12,552.32 is: 18,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.52 : 45,133.97 = 12,552.32 : x
  2. Step 2: Convert to fraction form
    30,086.52/45,133.97 = 12,552.32/x
  3. Step 3: Cross multiply
    30,086.52x = 45,133.97 × 12,552.32
  4. Step 4: Simplify right side
    30,086.52x = 566,535,745.88
  5. Step 5: Solve for x
    x = 566,535,745.88/30,086.52
  6. Step 6: Final answer
    x = 18,830.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.