Home / 51,239.71-76,350.19-45,650.10

Finding the Fourth Proportional to 51,239.71, 76,350.19 and 45,650.10

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Solution

The fourth proportional to 51,239.71, 76,350.19 and 45,650.10 is: 68,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.71 : 76,350.19 = 45,650.10 : x
  2. Step 2: Convert to fraction form
    51,239.71/76,350.19 = 45,650.10/x
  3. Step 3: Cross multiply
    51,239.71x = 76,350.19 × 45,650.10
  4. Step 4: Simplify right side
    51,239.71x = 3,485,393,808.52
  5. Step 5: Solve for x
    x = 3,485,393,808.52/51,239.71
  6. Step 6: Final answer
    x = 68,021.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.