Home / 56,364.38-84,559.52-19,428.38

Finding the Fourth Proportional to 56,364.38, 84,559.52 and 19,428.38

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Solution

The fourth proportional to 56,364.38, 84,559.52 and 19,428.38 is: 29,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,364.38 : 84,559.52 = 19,428.38 : x
  2. Step 2: Convert to fraction form
    56,364.38/84,559.52 = 19,428.38/x
  3. Step 3: Cross multiply
    56,364.38x = 84,559.52 × 19,428.38
  4. Step 4: Simplify right side
    56,364.38x = 1,642,854,112.95
  5. Step 5: Solve for x
    x = 1,642,854,112.95/56,364.38
  6. Step 6: Final answer
    x = 29,147.03

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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.