Home / 30,103.42-45,170.60-14,326.34

Finding the Fourth Proportional to 30,103.42, 45,170.60 and 14,326.34

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Solution

The fourth proportional to 30,103.42, 45,170.60 and 14,326.34 is: 21,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.42 : 45,170.60 = 14,326.34 : x
  2. Step 2: Convert to fraction form
    30,103.42/45,170.60 = 14,326.34/x
  3. Step 3: Cross multiply
    30,103.42x = 45,170.60 × 14,326.34
  4. Step 4: Simplify right side
    30,103.42x = 647,129,373.60
  5. Step 5: Solve for x
    x = 647,129,373.60/30,103.42
  6. Step 6: Final answer
    x = 21,496.87

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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.