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Finding the Fourth Proportional to 64,636.53, 89,187.48 and 35,952.45

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Solution

The fourth proportional to 64,636.53, 89,187.48 and 35,952.45 is: 49,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,636.53 : 89,187.48 = 35,952.45 : x
  2. Step 2: Convert to fraction form
    64,636.53/89,187.48 = 35,952.45/x
  3. Step 3: Cross multiply
    64,636.53x = 89,187.48 × 35,952.45
  4. Step 4: Simplify right side
    64,636.53x = 3,206,508,415.33
  5. Step 5: Solve for x
    x = 3,206,508,415.33/64,636.53
  6. Step 6: Final answer
    x = 49,608.30

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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.