Home / 49,659.04-74,488.56-12,219.22

Finding the Fourth Proportional to 49,659.04, 74,488.56 and 12,219.22

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Solution

The fourth proportional to 49,659.04, 74,488.56 and 12,219.22 is: 18,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,659.04 : 74,488.56 = 12,219.22 : x
  2. Step 2: Convert to fraction form
    49,659.04/74,488.56 = 12,219.22/x
  3. Step 3: Cross multiply
    49,659.04x = 74,488.56 × 12,219.22
  4. Step 4: Simplify right side
    49,659.04x = 910,192,102.12
  5. Step 5: Solve for x
    x = 910,192,102.12/49,659.04
  6. Step 6: Final answer
    x = 18,328.83

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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.