Home / 36,218.90-54,328.35-18,504.20

Finding the Fourth Proportional to 36,218.90, 54,328.35 and 18,504.20

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Solution

The fourth proportional to 36,218.90, 54,328.35 and 18,504.20 is: 27,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.90 : 54,328.35 = 18,504.20 : x
  2. Step 2: Convert to fraction form
    36,218.90/54,328.35 = 18,504.20/x
  3. Step 3: Cross multiply
    36,218.90x = 54,328.35 × 18,504.20
  4. Step 4: Simplify right side
    36,218.90x = 1,005,302,654.07
  5. Step 5: Solve for x
    x = 1,005,302,654.07/36,218.90
  6. Step 6: Final answer
    x = 27,756.30

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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.