Home / 54,756.98-82,135.47-19,699.37

Finding the Fourth Proportional to 54,756.98, 82,135.47 and 19,699.37

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Solution

The fourth proportional to 54,756.98, 82,135.47 and 19,699.37 is: 29,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.98 : 82,135.47 = 19,699.37 : x
  2. Step 2: Convert to fraction form
    54,756.98/82,135.47 = 19,699.37/x
  3. Step 3: Cross multiply
    54,756.98x = 82,135.47 × 19,699.37
  4. Step 4: Simplify right side
    54,756.98x = 1,618,016,602.98
  5. Step 5: Solve for x
    x = 1,618,016,602.98/54,756.98
  6. Step 6: Final answer
    x = 29,549.05

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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.