Home / 67,670.03-101,519.05-20,283.21

Finding the Fourth Proportional to 67,670.03, 101,519.05 and 20,283.21

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Solution

The fourth proportional to 67,670.03, 101,519.05 and 20,283.21 is: 30,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,670.03 : 101,519.05 = 20,283.21 : x
  2. Step 2: Convert to fraction form
    67,670.03/101,519.05 = 20,283.21/x
  3. Step 3: Cross multiply
    67,670.03x = 101,519.05 × 20,283.21
  4. Step 4: Simplify right side
    67,670.03x = 2,059,131,816.78
  5. Step 5: Solve for x
    x = 2,059,131,816.78/67,670.03
  6. Step 6: Final answer
    x = 30,429.01

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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.