Home / 20,552.10-30,840.30-14,991.45

Finding the Fourth Proportional to 20,552.10, 30,840.30 and 14,991.45

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Solution

The fourth proportional to 20,552.10, 30,840.30 and 14,991.45 is: 22,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.10 : 30,840.30 = 14,991.45 : x
  2. Step 2: Convert to fraction form
    20,552.10/30,840.30 = 14,991.45/x
  3. Step 3: Cross multiply
    20,552.10x = 30,840.30 × 14,991.45
  4. Step 4: Simplify right side
    20,552.10x = 462,340,815.44
  5. Step 5: Solve for x
    x = 462,340,815.44/20,552.10
  6. Step 6: Final answer
    x = 22,496.04

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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.