Home / 30,224.22-45,290.16-12,684.48

Finding the Fourth Proportional to 30,224.22, 45,290.16 and 12,684.48

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Solution

The fourth proportional to 30,224.22, 45,290.16 and 12,684.48 is: 19,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.22 : 45,290.16 = 12,684.48 : x
  2. Step 2: Convert to fraction form
    30,224.22/45,290.16 = 12,684.48/x
  3. Step 3: Cross multiply
    30,224.22x = 45,290.16 × 12,684.48
  4. Step 4: Simplify right side
    30,224.22x = 574,482,128.72
  5. Step 5: Solve for x
    x = 574,482,128.72/30,224.22
  6. Step 6: Final answer
    x = 19,007.34

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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.