Home / 30,680.36-46,015.41-8,495.98

Finding the Fourth Proportional to 30,680.36, 46,015.41 and 8,495.98

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Solution

The fourth proportional to 30,680.36, 46,015.41 and 8,495.98 is: 12,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.36 : 46,015.41 = 8,495.98 : x
  2. Step 2: Convert to fraction form
    30,680.36/46,015.41 = 8,495.98/x
  3. Step 3: Cross multiply
    30,680.36x = 46,015.41 × 8,495.98
  4. Step 4: Simplify right side
    30,680.36x = 390,946,003.05
  5. Step 5: Solve for x
    x = 390,946,003.05/30,680.36
  6. Step 6: Final answer
    x = 12,742.55

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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.