Home / 56,379.53-84,579.06-18,943.25

Finding the Fourth Proportional to 56,379.53, 84,579.06 and 18,943.25

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Solution

The fourth proportional to 56,379.53, 84,579.06 and 18,943.25 is: 28,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.53 : 84,579.06 = 18,943.25 : x
  2. Step 2: Convert to fraction form
    56,379.53/84,579.06 = 18,943.25/x
  3. Step 3: Cross multiply
    56,379.53x = 84,579.06 × 18,943.25
  4. Step 4: Simplify right side
    56,379.53x = 1,602,202,019.54
  5. Step 5: Solve for x
    x = 1,602,202,019.54/56,379.53
  6. Step 6: Final answer
    x = 28,418.15

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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.