Home / 55,235.58-82,828.76-20,150.63

Finding the Fourth Proportional to 55,235.58, 82,828.76 and 20,150.63

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Solution

The fourth proportional to 55,235.58, 82,828.76 and 20,150.63 is: 30,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.58 : 82,828.76 = 20,150.63 : x
  2. Step 2: Convert to fraction form
    55,235.58/82,828.76 = 20,150.63/x
  3. Step 3: Cross multiply
    55,235.58x = 82,828.76 × 20,150.63
  4. Step 4: Simplify right side
    55,235.58x = 1,669,051,181.22
  5. Step 5: Solve for x
    x = 1,669,051,181.22/55,235.58
  6. Step 6: Final answer
    x = 30,216.96

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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.