Home / 52,619.04-78,938.88-19,339.38

Finding the Fourth Proportional to 52,619.04, 78,938.88 and 19,339.38

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Solution

The fourth proportional to 52,619.04, 78,938.88 and 19,339.38 is: 29,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.04 : 78,938.88 = 19,339.38 : x
  2. Step 2: Convert to fraction form
    52,619.04/78,938.88 = 19,339.38/x
  3. Step 3: Cross multiply
    52,619.04x = 78,938.88 × 19,339.38
  4. Step 4: Simplify right side
    52,619.04x = 1,526,628,997.09
  5. Step 5: Solve for x
    x = 1,526,628,997.09/52,619.04
  6. Step 6: Final answer
    x = 29,012.86

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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.