Home / 30,366.78-45,556.32-12,836.58

Finding the Fourth Proportional to 30,366.78, 45,556.32 and 12,836.58

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Solution

The fourth proportional to 30,366.78, 45,556.32 and 12,836.58 is: 19,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.78 : 45,556.32 = 12,836.58 : x
  2. Step 2: Convert to fraction form
    30,366.78/45,556.32 = 12,836.58/x
  3. Step 3: Cross multiply
    30,366.78x = 45,556.32 × 12,836.58
  4. Step 4: Simplify right side
    30,366.78x = 584,787,346.19
  5. Step 5: Solve for x
    x = 584,787,346.19/30,366.78
  6. Step 6: Final answer
    x = 19,257.47

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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.