Home / 45,749.84-68,617.74-12,472.58

Finding the Fourth Proportional to 45,749.84, 68,617.74 and 12,472.58

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Solution

The fourth proportional to 45,749.84, 68,617.74 and 12,472.58 is: 18,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.84 : 68,617.74 = 12,472.58 : x
  2. Step 2: Convert to fraction form
    45,749.84/68,617.74 = 12,472.58/x
  3. Step 3: Cross multiply
    45,749.84x = 68,617.74 × 12,472.58
  4. Step 4: Simplify right side
    45,749.84x = 855,840,251.57
  5. Step 5: Solve for x
    x = 855,840,251.57/45,749.84
  6. Step 6: Final answer
    x = 18,706.96

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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.