Home / 52,135.07-78,202.62-18,854.39

Finding the Fourth Proportional to 52,135.07, 78,202.62 and 18,854.39

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Solution

The fourth proportional to 52,135.07, 78,202.62 and 18,854.39 is: 28,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,135.07 : 78,202.62 = 18,854.39 : x
  2. Step 2: Convert to fraction form
    52,135.07/78,202.62 = 18,854.39/x
  3. Step 3: Cross multiply
    52,135.07x = 78,202.62 × 18,854.39
  4. Step 4: Simplify right side
    52,135.07x = 1,474,462,696.50
  5. Step 5: Solve for x
    x = 1,474,462,696.50/52,135.07
  6. Step 6: Final answer
    x = 28,281.59

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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.