Home / 30,025.25-45,036.97-12,494.63

Finding the Fourth Proportional to 30,025.25, 45,036.97 and 12,494.63

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Solution

The fourth proportional to 30,025.25, 45,036.97 and 12,494.63 is: 18,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.25 : 45,036.97 = 12,494.63 : x
  2. Step 2: Convert to fraction form
    30,025.25/45,036.97 = 12,494.63/x
  3. Step 3: Cross multiply
    30,025.25x = 45,036.97 × 12,494.63
  4. Step 4: Simplify right side
    30,025.25x = 562,720,020.05
  5. Step 5: Solve for x
    x = 562,720,020.05/30,025.25
  6. Step 6: Final answer
    x = 18,741.56

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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.