Home / 55,178.24-82,758.99-20,117.93

Finding the Fourth Proportional to 55,178.24, 82,758.99 and 20,117.93

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Solution

The fourth proportional to 55,178.24, 82,758.99 and 20,117.93 is: 30,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.24 : 82,758.99 = 20,117.93 : x
  2. Step 2: Convert to fraction form
    55,178.24/82,758.99 = 20,117.93/x
  3. Step 3: Cross multiply
    55,178.24x = 82,758.99 × 20,117.93
  4. Step 4: Simplify right side
    55,178.24x = 1,664,939,567.69
  5. Step 5: Solve for x
    x = 1,664,939,567.69/55,178.24
  6. Step 6: Final answer
    x = 30,173.84

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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.