Home / 30,724.40-46,092.48-12,003.68

Finding the Fourth Proportional to 30,724.40, 46,092.48 and 12,003.68

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Solution

The fourth proportional to 30,724.40, 46,092.48 and 12,003.68 is: 18,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.40 : 46,092.48 = 12,003.68 : x
  2. Step 2: Convert to fraction form
    30,724.40/46,092.48 = 12,003.68/x
  3. Step 3: Cross multiply
    30,724.40x = 46,092.48 × 12,003.68
  4. Step 4: Simplify right side
    30,724.40x = 553,279,380.33
  5. Step 5: Solve for x
    x = 553,279,380.33/30,724.40
  6. Step 6: Final answer
    x = 18,007.82

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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.