Home / 35,441.70-48,911.22-20,129.37

Finding the Fourth Proportional to 35,441.70, 48,911.22 and 20,129.37

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Solution

The fourth proportional to 35,441.70, 48,911.22 and 20,129.37 is: 27,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,441.70 : 48,911.22 = 20,129.37 : x
  2. Step 2: Convert to fraction form
    35,441.70/48,911.22 = 20,129.37/x
  3. Step 3: Cross multiply
    35,441.70x = 48,911.22 × 20,129.37
  4. Step 4: Simplify right side
    35,441.70x = 984,552,044.53
  5. Step 5: Solve for x
    x = 984,552,044.53/35,441.70
  6. Step 6: Final answer
    x = 27,779.48

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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.