Home / 51,935.72-71,671.62-39,338.60

Finding the Fourth Proportional to 51,935.72, 71,671.62 and 39,338.60

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Solution

The fourth proportional to 51,935.72, 71,671.62 and 39,338.60 is: 54,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,935.72 : 71,671.62 = 39,338.60 : x
  2. Step 2: Convert to fraction form
    51,935.72/71,671.62 = 39,338.60/x
  3. Step 3: Cross multiply
    51,935.72x = 71,671.62 × 39,338.60
  4. Step 4: Simplify right side
    51,935.72x = 2,819,461,190.53
  5. Step 5: Solve for x
    x = 2,819,461,190.53/51,935.72
  6. Step 6: Final answer
    x = 54,287.52

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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.