Home / 53,446.72-73,748.16-30,786.64

Finding the Fourth Proportional to 53,446.72, 73,748.16 and 30,786.64

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Solution

The fourth proportional to 53,446.72, 73,748.16 and 30,786.64 is: 42,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,446.72 : 73,748.16 = 30,786.64 : x
  2. Step 2: Convert to fraction form
    53,446.72/73,748.16 = 30,786.64/x
  3. Step 3: Cross multiply
    53,446.72x = 73,748.16 × 30,786.64
  4. Step 4: Simplify right side
    53,446.72x = 2,270,458,052.58
  5. Step 5: Solve for x
    x = 2,270,458,052.58/53,446.72
  6. Step 6: Final answer
    x = 42,480.77

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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.