Home / 35,329.70-48,752.73-20,222.30

Finding the Fourth Proportional to 35,329.70, 48,752.73 and 20,222.30

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Solution

The fourth proportional to 35,329.70, 48,752.73 and 20,222.30 is: 27,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329.70 : 48,752.73 = 20,222.30 : x
  2. Step 2: Convert to fraction form
    35,329.70/48,752.73 = 20,222.30/x
  3. Step 3: Cross multiply
    35,329.70x = 48,752.73 × 20,222.30
  4. Step 4: Simplify right side
    35,329.70x = 985,892,331.88
  5. Step 5: Solve for x
    x = 985,892,331.88/35,329.70
  6. Step 6: Final answer
    x = 27,905.48

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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.