Home / 30,204.30-41,675.20-18,267.40

Finding the Fourth Proportional to 30,204.30, 41,675.20 and 18,267.40

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Solution

The fourth proportional to 30,204.30, 41,675.20 and 18,267.40 is: 25,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.30 : 41,675.20 = 18,267.40 : x
  2. Step 2: Convert to fraction form
    30,204.30/41,675.20 = 18,267.40/x
  3. Step 3: Cross multiply
    30,204.30x = 41,675.20 × 18,267.40
  4. Step 4: Simplify right side
    30,204.30x = 761,297,548.48
  5. Step 5: Solve for x
    x = 761,297,548.48/30,204.30
  6. Step 6: Final answer
    x = 25,204.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.