Home / 34,061.45-46,997.82-20,639.34

Finding the Fourth Proportional to 34,061.45, 46,997.82 and 20,639.34

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Solution

The fourth proportional to 34,061.45, 46,997.82 and 20,639.34 is: 28,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,061.45 : 46,997.82 = 20,639.34 : x
  2. Step 2: Convert to fraction form
    34,061.45/46,997.82 = 20,639.34/x
  3. Step 3: Cross multiply
    34,061.45x = 46,997.82 × 20,639.34
  4. Step 4: Simplify right side
    34,061.45x = 970,003,986.24
  5. Step 5: Solve for x
    x = 970,003,986.24/34,061.45
  6. Step 6: Final answer
    x = 28,478.06

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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.