Home / 45,812.75-68,742.65-21,824.23

Finding the Fourth Proportional to 45,812.75, 68,742.65 and 21,824.23

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Solution

The fourth proportional to 45,812.75, 68,742.65 and 21,824.23 is: 32,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.75 : 68,742.65 = 21,824.23 : x
  2. Step 2: Convert to fraction form
    45,812.75/68,742.65 = 21,824.23/x
  3. Step 3: Cross multiply
    45,812.75x = 68,742.65 × 21,824.23
  4. Step 4: Simplify right side
    45,812.75x = 1,500,255,123.43
  5. Step 5: Solve for x
    x = 1,500,255,123.43/45,812.75
  6. Step 6: Final answer
    x = 32,747.54

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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.