Home / 45,787.44-68,670.06-12,507.66

Finding the Fourth Proportional to 45,787.44, 68,670.06 and 12,507.66

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Solution

The fourth proportional to 45,787.44, 68,670.06 and 12,507.66 is: 18,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,787.44 : 68,670.06 = 12,507.66 : x
  2. Step 2: Convert to fraction form
    45,787.44/68,670.06 = 12,507.66/x
  3. Step 3: Cross multiply
    45,787.44x = 68,670.06 × 12,507.66
  4. Step 4: Simplify right side
    45,787.44x = 858,901,762.66
  5. Step 5: Solve for x
    x = 858,901,762.66/45,787.44
  6. Step 6: Final answer
    x = 18,758.46

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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.