Home / 64,640.22-89,201.40-35,959.74

Finding the Fourth Proportional to 64,640.22, 89,201.40 and 35,959.74

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Solution

The fourth proportional to 64,640.22, 89,201.40 and 35,959.74 is: 49,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,640.22 : 89,201.40 = 35,959.74 : x
  2. Step 2: Convert to fraction form
    64,640.22/89,201.40 = 35,959.74/x
  3. Step 3: Cross multiply
    64,640.22x = 89,201.40 × 35,959.74
  4. Step 4: Simplify right side
    64,640.22x = 3,207,659,151.64
  5. Step 5: Solve for x
    x = 3,207,659,151.64/64,640.22
  6. Step 6: Final answer
    x = 49,623.27

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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.