Home / 54,948.56-82,429.46-19,402.57

Finding the Fourth Proportional to 54,948.56, 82,429.46 and 19,402.57

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Solution

The fourth proportional to 54,948.56, 82,429.46 and 19,402.57 is: 29,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,948.56 : 82,429.46 = 19,402.57 : x
  2. Step 2: Convert to fraction form
    54,948.56/82,429.46 = 19,402.57/x
  3. Step 3: Cross multiply
    54,948.56x = 82,429.46 × 19,402.57
  4. Step 4: Simplify right side
    54,948.56x = 1,599,343,064.63
  5. Step 5: Solve for x
    x = 1,599,343,064.63/54,948.56
  6. Step 6: Final answer
    x = 29,106.19

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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.