Home / 45,352.89-68,029.47-13,763.20

Finding the Fourth Proportional to 45,352.89, 68,029.47 and 13,763.20

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Solution

The fourth proportional to 45,352.89, 68,029.47 and 13,763.20 is: 20,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.89 : 68,029.47 = 13,763.20 : x
  2. Step 2: Convert to fraction form
    45,352.89/68,029.47 = 13,763.20/x
  3. Step 3: Cross multiply
    45,352.89x = 68,029.47 × 13,763.20
  4. Step 4: Simplify right side
    45,352.89x = 936,303,201.50
  5. Step 5: Solve for x
    x = 936,303,201.50/45,352.89
  6. Step 6: Final answer
    x = 20,644.84

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Double scale
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Similar ratio
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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.