Home / 64,893.06-89,556.60-38,025.78

Finding the Fourth Proportional to 64,893.06, 89,556.60 and 38,025.78

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Solution

The fourth proportional to 64,893.06, 89,556.60 and 38,025.78 is: 52,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.06 : 89,556.60 = 38,025.78 : x
  2. Step 2: Convert to fraction form
    64,893.06/89,556.60 = 38,025.78/x
  3. Step 3: Cross multiply
    64,893.06x = 89,556.60 × 38,025.78
  4. Step 4: Simplify right side
    64,893.06x = 3,405,459,569.15
  5. Step 5: Solve for x
    x = 3,405,459,569.15/64,893.06
  6. Step 6: Final answer
    x = 52,478.02

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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.