Home / 40,098.63-55,335.25-21,949.34

Finding the Fourth Proportional to 40,098.63, 55,335.25 and 21,949.34

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Solution

The fourth proportional to 40,098.63, 55,335.25 and 21,949.34 is: 30,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098.63 : 55,335.25 = 21,949.34 : x
  2. Step 2: Convert to fraction form
    40,098.63/55,335.25 = 21,949.34/x
  3. Step 3: Cross multiply
    40,098.63x = 55,335.25 × 21,949.34
  4. Step 4: Simplify right side
    40,098.63x = 1,214,571,967.00
  5. Step 5: Solve for x
    x = 1,214,571,967.00/40,098.63
  6. Step 6: Final answer
    x = 30,289.61

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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.