Home / 30,375.63-45,566.69-12,847.23

Finding the Fourth Proportional to 30,375.63, 45,566.69 and 12,847.23

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Solution

The fourth proportional to 30,375.63, 45,566.69 and 12,847.23 is: 19,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.63 : 45,566.69 = 12,847.23 : x
  2. Step 2: Convert to fraction form
    30,375.63/45,566.69 = 12,847.23/x
  3. Step 3: Cross multiply
    30,375.63x = 45,566.69 × 12,847.23
  4. Step 4: Simplify right side
    30,375.63x = 585,405,746.77
  5. Step 5: Solve for x
    x = 585,405,746.77/30,375.63
  6. Step 6: Final answer
    x = 19,272.22

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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.