Home / 30,442.26-45,645.14-12,651.46

Finding the Fourth Proportional to 30,442.26, 45,645.14 and 12,651.46

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Solution

The fourth proportional to 30,442.26, 45,645.14 and 12,651.46 is: 18,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.26 : 45,645.14 = 12,651.46 : x
  2. Step 2: Convert to fraction form
    30,442.26/45,645.14 = 12,651.46/x
  3. Step 3: Cross multiply
    30,442.26x = 45,645.14 × 12,651.46
  4. Step 4: Simplify right side
    30,442.26x = 577,477,662.90
  5. Step 5: Solve for x
    x = 577,477,662.90/30,442.26
  6. Step 6: Final answer
    x = 18,969.61

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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.