Home / 64,949-89,629.68-36,654.08

Finding the Fourth Proportional to 64,949, 89,629.68 and 36,654.08

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Solution

The fourth proportional to 64,949, 89,629.68 and 36,654.08 is: 50,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,949 : 89,629.68 = 36,654.08 : x
  2. Step 2: Convert to fraction form
    64,949/89,629.68 = 36,654.08/x
  3. Step 3: Cross multiply
    64,949x = 89,629.68 × 36,654.08
  4. Step 4: Simplify right side
    64,949x = 3,285,293,461.09
  5. Step 5: Solve for x
    x = 3,285,293,461.09/64,949
  6. Step 6: Final answer
    x = 50,582.66

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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.