Home / 55,232.58-82,824.24-20,147.64

Finding the Fourth Proportional to 55,232.58, 82,824.24 and 20,147.64

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Solution

The fourth proportional to 55,232.58, 82,824.24 and 20,147.64 is: 30,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.58 : 82,824.24 = 20,147.64 : x
  2. Step 2: Convert to fraction form
    55,232.58/82,824.24 = 20,147.64/x
  3. Step 3: Cross multiply
    55,232.58x = 82,824.24 × 20,147.64
  4. Step 4: Simplify right side
    55,232.58x = 1,668,712,970.79
  5. Step 5: Solve for x
    x = 1,668,712,970.79/55,232.58
  6. Step 6: Final answer
    x = 30,212.48

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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.