Home / 30,222.36-45,336.84-12,700.44

Finding the Fourth Proportional to 30,222.36, 45,336.84 and 12,700.44

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Solution

The fourth proportional to 30,222.36, 45,336.84 and 12,700.44 is: 19,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.36 : 45,336.84 = 12,700.44 : x
  2. Step 2: Convert to fraction form
    30,222.36/45,336.84 = 12,700.44/x
  3. Step 3: Cross multiply
    30,222.36x = 45,336.84 × 12,700.44
  4. Step 4: Simplify right side
    30,222.36x = 575,797,816.21
  5. Step 5: Solve for x
    x = 575,797,816.21/30,222.36
  6. Step 6: Final answer
    x = 19,052.05

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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.