Home / 20,364.16-30,525.16-12,042.48

Finding the Fourth Proportional to 20,364.16, 30,525.16 and 12,042.48

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Solution

The fourth proportional to 20,364.16, 30,525.16 and 12,042.48 is: 18,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.16 : 30,525.16 = 12,042.48 : x
  2. Step 2: Convert to fraction form
    20,364.16/30,525.16 = 12,042.48/x
  3. Step 3: Cross multiply
    20,364.16x = 30,525.16 × 12,042.48
  4. Step 4: Simplify right side
    20,364.16x = 367,598,628.80
  5. Step 5: Solve for x
    x = 367,598,628.80/20,364.16
  6. Step 6: Final answer
    x = 18,051.25

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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.