Home / 49,156.10-73,734.20-12,220.10

Finding the Fourth Proportional to 49,156.10, 73,734.20 and 12,220.10

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Solution

The fourth proportional to 49,156.10, 73,734.20 and 12,220.10 is: 18,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,156.10 : 73,734.20 = 12,220.10 : x
  2. Step 2: Convert to fraction form
    49,156.10/73,734.20 = 12,220.10/x
  3. Step 3: Cross multiply
    49,156.10x = 73,734.20 × 12,220.10
  4. Step 4: Simplify right side
    49,156.10x = 901,039,297.42
  5. Step 5: Solve for x
    x = 901,039,297.42/49,156.10
  6. Step 6: Final answer
    x = 18,330.16

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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.