Home / 48,619.63-72,929.44-15,787.63

Finding the Fourth Proportional to 48,619.63, 72,929.44 and 15,787.63

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Solution

The fourth proportional to 48,619.63, 72,929.44 and 15,787.63 is: 23,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.63 : 72,929.44 = 15,787.63 : x
  2. Step 2: Convert to fraction form
    48,619.63/72,929.44 = 15,787.63/x
  3. Step 3: Cross multiply
    48,619.63x = 72,929.44 × 15,787.63
  4. Step 4: Simplify right side
    48,619.63x = 1,151,383,014.83
  5. Step 5: Solve for x
    x = 1,151,383,014.83/48,619.63
  6. Step 6: Final answer
    x = 23,681.44

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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.