Home / 35,528.50-49,023.75-20,418.25

Finding the Fourth Proportional to 35,528.50, 49,023.75 and 20,418.25

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Solution

The fourth proportional to 35,528.50, 49,023.75 and 20,418.25 is: 28,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.50 : 49,023.75 = 20,418.25 : x
  2. Step 2: Convert to fraction form
    35,528.50/49,023.75 = 20,418.25/x
  3. Step 3: Cross multiply
    35,528.50x = 49,023.75 × 20,418.25
  4. Step 4: Simplify right side
    35,528.50x = 1,000,979,183.44
  5. Step 5: Solve for x
    x = 1,000,979,183.44/35,528.50
  6. Step 6: Final answer
    x = 28,173.98

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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.