Home / 34,056.45-46,999.31-20,620.17

Finding the Fourth Proportional to 34,056.45, 46,999.31 and 20,620.17

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Solution

The fourth proportional to 34,056.45, 46,999.31 and 20,620.17 is: 28,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,056.45 : 46,999.31 = 20,620.17 : x
  2. Step 2: Convert to fraction form
    34,056.45/46,999.31 = 20,620.17/x
  3. Step 3: Cross multiply
    34,056.45x = 46,999.31 × 20,620.17
  4. Step 4: Simplify right side
    34,056.45x = 969,133,658.98
  5. Step 5: Solve for x
    x = 969,133,658.98/34,056.45
  6. Step 6: Final answer
    x = 28,456.68

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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.