Home / 49,115.04-73,620-19,491.84

Finding the Fourth Proportional to 49,115.04, 73,620 and 19,491.84

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Solution

The fourth proportional to 49,115.04, 73,620 and 19,491.84 is: 29,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.04 : 73,620 = 19,491.84 : x
  2. Step 2: Convert to fraction form
    49,115.04/73,620 = 19,491.84/x
  3. Step 3: Cross multiply
    49,115.04x = 73,620 × 19,491.84
  4. Step 4: Simplify right side
    49,115.04x = 1,434,989,260.80
  5. Step 5: Solve for x
    x = 1,434,989,260.80/49,115.04
  6. Step 6: Final answer
    x = 29,216.90

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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.