Home / 53,212.16-79,633.92-43,738.88

Finding the Fourth Proportional to 53,212.16, 79,633.92 and 43,738.88

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Solution

The fourth proportional to 53,212.16, 79,633.92 and 43,738.88 is: 65,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.16 : 79,633.92 = 43,738.88 : x
  2. Step 2: Convert to fraction form
    53,212.16/79,633.92 = 43,738.88/x
  3. Step 3: Cross multiply
    53,212.16x = 79,633.92 × 43,738.88
  4. Step 4: Simplify right side
    53,212.16x = 3,483,098,470.81
  5. Step 5: Solve for x
    x = 3,483,098,470.81/53,212.16
  6. Step 6: Final answer
    x = 65,456.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.