Home / 66,820.08-100,245.30-22,443.42

Finding the Fourth Proportional to 66,820.08, 100,245.30 and 22,443.42

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Solution

The fourth proportional to 66,820.08, 100,245.30 and 22,443.42 is: 33,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,820.08 : 100,245.30 = 22,443.42 : x
  2. Step 2: Convert to fraction form
    66,820.08/100,245.30 = 22,443.42/x
  3. Step 3: Cross multiply
    66,820.08x = 100,245.30 × 22,443.42
  4. Step 4: Simplify right side
    66,820.08x = 2,249,847,370.93
  5. Step 5: Solve for x
    x = 2,249,847,370.93/66,820.08
  6. Step 6: Final answer
    x = 33,670.23

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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.