Home / 20,103.10-30,151.86-14,080.94

Finding the Fourth Proportional to 20,103.10, 30,151.86 and 14,080.94

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Solution

The fourth proportional to 20,103.10, 30,151.86 and 14,080.94 is: 21,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.10 : 30,151.86 = 14,080.94 : x
  2. Step 2: Convert to fraction form
    20,103.10/30,151.86 = 14,080.94/x
  3. Step 3: Cross multiply
    20,103.10x = 30,151.86 × 14,080.94
  4. Step 4: Simplify right side
    20,103.10x = 424,566,531.55
  5. Step 5: Solve for x
    x = 424,566,531.55/20,103.10
  6. Step 6: Final answer
    x = 21,119.46

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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.