Home / 51,478.36-71,175.70-45,086.63

Finding the Fourth Proportional to 51,478.36, 71,175.70 and 45,086.63

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Solution

The fourth proportional to 51,478.36, 71,175.70 and 45,086.63 is: 62,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478.36 : 71,175.70 = 45,086.63 : x
  2. Step 2: Convert to fraction form
    51,478.36/71,175.70 = 45,086.63/x
  3. Step 3: Cross multiply
    51,478.36x = 71,175.70 × 45,086.63
  4. Step 4: Simplify right side
    51,478.36x = 3,209,072,198.03
  5. Step 5: Solve for x
    x = 3,209,072,198.03/51,478.36
  6. Step 6: Final answer
    x = 62,338.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.