Home / 34,405.16-47,481.93-20,260.80

Finding the Fourth Proportional to 34,405.16, 47,481.93 and 20,260.80

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Solution

The fourth proportional to 34,405.16, 47,481.93 and 20,260.80 is: 27,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405.16 : 47,481.93 = 20,260.80 : x
  2. Step 2: Convert to fraction form
    34,405.16/47,481.93 = 20,260.80/x
  3. Step 3: Cross multiply
    34,405.16x = 47,481.93 × 20,260.80
  4. Step 4: Simplify right side
    34,405.16x = 962,021,887.34
  5. Step 5: Solve for x
    x = 962,021,887.34/34,405.16
  6. Step 6: Final answer
    x = 27,961.56

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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.