Home / 30,621.18-45,940.41-12,166.14

Finding the Fourth Proportional to 30,621.18, 45,940.41 and 12,166.14

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Solution

The fourth proportional to 30,621.18, 45,940.41 and 12,166.14 is: 18,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.18 : 45,940.41 = 12,166.14 : x
  2. Step 2: Convert to fraction form
    30,621.18/45,940.41 = 12,166.14/x
  3. Step 3: Cross multiply
    30,621.18x = 45,940.41 × 12,166.14
  4. Step 4: Simplify right side
    30,621.18x = 558,917,459.72
  5. Step 5: Solve for x
    x = 558,917,459.72/30,621.18
  6. Step 6: Final answer
    x = 18,252.64

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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.