Home / 52,556.45-78,787.79-19,268.75

Finding the Fourth Proportional to 52,556.45, 78,787.79 and 19,268.75

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Solution

The fourth proportional to 52,556.45, 78,787.79 and 19,268.75 is: 28,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,556.45 : 78,787.79 = 19,268.75 : x
  2. Step 2: Convert to fraction form
    52,556.45/78,787.79 = 19,268.75/x
  3. Step 3: Cross multiply
    52,556.45x = 78,787.79 × 19,268.75
  4. Step 4: Simplify right side
    52,556.45x = 1,518,142,473.70
  5. Step 5: Solve for x
    x = 1,518,142,473.70/52,556.45
  6. Step 6: Final answer
    x = 28,885.94

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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.