Home / 30,255.40-45,383.10-16,196.20

Finding the Fourth Proportional to 30,255.40, 45,383.10 and 16,196.20

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Solution

The fourth proportional to 30,255.40, 45,383.10 and 16,196.20 is: 24,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.40 : 45,383.10 = 16,196.20 : x
  2. Step 2: Convert to fraction form
    30,255.40/45,383.10 = 16,196.20/x
  3. Step 3: Cross multiply
    30,255.40x = 45,383.10 × 16,196.20
  4. Step 4: Simplify right side
    30,255.40x = 735,033,764.22
  5. Step 5: Solve for x
    x = 735,033,764.22/30,255.40
  6. Step 6: Final answer
    x = 24,294.30

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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.