Home / 48,619.75-72,929.63-15,787.75

Finding the Fourth Proportional to 48,619.75, 72,929.63 and 15,787.75

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Solution

The fourth proportional to 48,619.75, 72,929.63 and 15,787.75 is: 23,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.75 : 72,929.63 = 15,787.75 : x
  2. Step 2: Convert to fraction form
    48,619.75/72,929.63 = 15,787.75/x
  3. Step 3: Cross multiply
    48,619.75x = 72,929.63 × 15,787.75
  4. Step 4: Simplify right side
    48,619.75x = 1,151,394,766.03
  5. Step 5: Solve for x
    x = 1,151,394,766.03/48,619.75
  6. Step 6: Final answer
    x = 23,681.63

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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.