Home / 55,174.67-82,803.45-40,421.60

Finding the Fourth Proportional to 55,174.67, 82,803.45 and 40,421.60

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Solution

The fourth proportional to 55,174.67, 82,803.45 and 40,421.60 is: 60,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174.67 : 82,803.45 = 40,421.60 : x
  2. Step 2: Convert to fraction form
    55,174.67/82,803.45 = 40,421.60/x
  3. Step 3: Cross multiply
    55,174.67x = 82,803.45 × 40,421.60
  4. Step 4: Simplify right side
    55,174.67x = 3,347,047,934.52
  5. Step 5: Solve for x
    x = 3,347,047,934.52/55,174.67
  6. Step 6: Final answer
    x = 60,662.76

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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.