Home / 55,287.68-76,297.92-30,138.24

Finding the Fourth Proportional to 55,287.68, 76,297.92 and 30,138.24

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Solution

The fourth proportional to 55,287.68, 76,297.92 and 30,138.24 is: 41,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.68 : 76,297.92 = 30,138.24 : x
  2. Step 2: Convert to fraction form
    55,287.68/76,297.92 = 30,138.24/x
  3. Step 3: Cross multiply
    55,287.68x = 76,297.92 × 30,138.24
  4. Step 4: Simplify right side
    55,287.68x = 2,299,485,024.46
  5. Step 5: Solve for x
    x = 2,299,485,024.46/55,287.68
  6. Step 6: Final answer
    x = 41,591.27

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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.