Home / 54,053.37-81,080.05-39,355.82

Finding the Fourth Proportional to 54,053.37, 81,080.05 and 39,355.82

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Solution

The fourth proportional to 54,053.37, 81,080.05 and 39,355.82 is: 59,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.37 : 81,080.05 = 39,355.82 : x
  2. Step 2: Convert to fraction form
    54,053.37/81,080.05 = 39,355.82/x
  3. Step 3: Cross multiply
    54,053.37x = 81,080.05 × 39,355.82
  4. Step 4: Simplify right side
    54,053.37x = 3,190,971,349.60
  5. Step 5: Solve for x
    x = 3,190,971,349.60/54,053.37
  6. Step 6: Final answer
    x = 59,033.72

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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.