Home / 48,686.64-73,018.80-13,629.84

Finding the Fourth Proportional to 48,686.64, 73,018.80 and 13,629.84

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Solution

The fourth proportional to 48,686.64, 73,018.80 and 13,629.84 is: 20,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.64 : 73,018.80 = 13,629.84 : x
  2. Step 2: Convert to fraction form
    48,686.64/73,018.80 = 13,629.84/x
  3. Step 3: Cross multiply
    48,686.64x = 73,018.80 × 13,629.84
  4. Step 4: Simplify right side
    48,686.64x = 995,234,560.99
  5. Step 5: Solve for x
    x = 995,234,560.99/48,686.64
  6. Step 6: Final answer
    x = 20,441.64

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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.