Home / 54,932.51-82,405.35-19,386.47

Finding the Fourth Proportional to 54,932.51, 82,405.35 and 19,386.47

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Solution

The fourth proportional to 54,932.51, 82,405.35 and 19,386.47 is: 29,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,932.51 : 82,405.35 = 19,386.47 : x
  2. Step 2: Convert to fraction form
    54,932.51/82,405.35 = 19,386.47/x
  3. Step 3: Cross multiply
    54,932.51x = 82,405.35 × 19,386.47
  4. Step 4: Simplify right side
    54,932.51x = 1,597,549,051.63
  5. Step 5: Solve for x
    x = 1,597,549,051.63/54,932.51
  6. Step 6: Final answer
    x = 29,082.03

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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.