Home / 64,845.48-89,487.78-36,164.36

Finding the Fourth Proportional to 64,845.48, 89,487.78 and 36,164.36

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Solution

The fourth proportional to 64,845.48, 89,487.78 and 36,164.36 is: 49,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.48 : 89,487.78 = 36,164.36 : x
  2. Step 2: Convert to fraction form
    64,845.48/89,487.78 = 36,164.36/x
  3. Step 3: Cross multiply
    64,845.48x = 89,487.78 × 36,164.36
  4. Step 4: Simplify right side
    64,845.48x = 3,236,268,291.52
  5. Step 5: Solve for x
    x = 3,236,268,291.52/64,845.48
  6. Step 6: Final answer
    x = 49,907.38

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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.