Home / 35,320.85-48,745.50-20,218.25

Finding the Fourth Proportional to 35,320.85, 48,745.50 and 20,218.25

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Solution

The fourth proportional to 35,320.85, 48,745.50 and 20,218.25 is: 27,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.85 : 48,745.50 = 20,218.25 : x
  2. Step 2: Convert to fraction form
    35,320.85/48,745.50 = 20,218.25/x
  3. Step 3: Cross multiply
    35,320.85x = 48,745.50 × 20,218.25
  4. Step 4: Simplify right side
    35,320.85x = 985,548,461.65
  5. Step 5: Solve for x
    x = 985,548,461.65/35,320.85
  6. Step 6: Final answer
    x = 27,902.74

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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.