Home / 45,792.38-68,683.05-12,515.34

Finding the Fourth Proportional to 45,792.38, 68,683.05 and 12,515.34

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Solution

The fourth proportional to 45,792.38, 68,683.05 and 12,515.34 is: 18,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,792.38 : 68,683.05 = 12,515.34 : x
  2. Step 2: Convert to fraction form
    45,792.38/68,683.05 = 12,515.34/x
  3. Step 3: Cross multiply
    45,792.38x = 68,683.05 × 12,515.34
  4. Step 4: Simplify right side
    45,792.38x = 859,591,722.99
  5. Step 5: Solve for x
    x = 859,591,722.99/45,792.38
  6. Step 6: Final answer
    x = 18,771.50

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1.5x scale

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.