Home / 64,794.11-89,416.77-36,112.97

Finding the Fourth Proportional to 64,794.11, 89,416.77 and 36,112.97

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Solution

The fourth proportional to 64,794.11, 89,416.77 and 36,112.97 is: 49,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,794.11 : 89,416.77 = 36,112.97 : x
  2. Step 2: Convert to fraction form
    64,794.11/89,416.77 = 36,112.97/x
  3. Step 3: Cross multiply
    64,794.11x = 89,416.77 × 36,112.97
  4. Step 4: Simplify right side
    64,794.11x = 3,229,105,132.51
  5. Step 5: Solve for x
    x = 3,229,105,132.51/64,794.11
  6. Step 6: Final answer
    x = 49,836.40

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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.