Home / 36,520.20-54,779.99-11,560.28

Finding the Fourth Proportional to 36,520.20, 54,779.99 and 11,560.28

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Solution

The fourth proportional to 36,520.20, 54,779.99 and 11,560.28 is: 17,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.20 : 54,779.99 = 11,560.28 : x
  2. Step 2: Convert to fraction form
    36,520.20/54,779.99 = 11,560.28/x
  3. Step 3: Cross multiply
    36,520.20x = 54,779.99 × 11,560.28
  4. Step 4: Simplify right side
    36,520.20x = 633,271,691.10
  5. Step 5: Solve for x
    x = 633,271,691.10/36,520.20
  6. Step 6: Final answer
    x = 17,340.31

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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.