Home / 53,453.92-80,104.20-30,031.06

Finding the Fourth Proportional to 53,453.92, 80,104.20 and 30,031.06

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Solution

The fourth proportional to 53,453.92, 80,104.20 and 30,031.06 is: 45,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,453.92 : 80,104.20 = 30,031.06 : x
  2. Step 2: Convert to fraction form
    53,453.92/80,104.20 = 30,031.06/x
  3. Step 3: Cross multiply
    53,453.92x = 80,104.20 × 30,031.06
  4. Step 4: Simplify right side
    53,453.92x = 2,405,614,036.45
  5. Step 5: Solve for x
    x = 2,405,614,036.45/53,453.92
  6. Step 6: Final answer
    x = 45,003.51

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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.