Home / 45,753.75-68,628.57-12,473.79

Finding the Fourth Proportional to 45,753.75, 68,628.57 and 12,473.79

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Solution

The fourth proportional to 45,753.75, 68,628.57 and 12,473.79 is: 18,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,753.75 : 68,628.57 = 12,473.79 : x
  2. Step 2: Convert to fraction form
    45,753.75/68,628.57 = 12,473.79/x
  3. Step 3: Cross multiply
    45,753.75x = 68,628.57 × 12,473.79
  4. Step 4: Simplify right side
    45,753.75x = 856,058,370.18
  5. Step 5: Solve for x
    x = 856,058,370.18/45,753.75
  6. Step 6: Final answer
    x = 18,710.12

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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.