Home / 49,153.76-73,730.62-12,217.76

Finding the Fourth Proportional to 49,153.76, 73,730.62 and 12,217.76

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Solution

The fourth proportional to 49,153.76, 73,730.62 and 12,217.76 is: 18,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,153.76 : 73,730.62 = 12,217.76 : x
  2. Step 2: Convert to fraction form
    49,153.76/73,730.62 = 12,217.76/x
  3. Step 3: Cross multiply
    49,153.76x = 73,730.62 × 12,217.76
  4. Step 4: Simplify right side
    49,153.76x = 900,823,019.81
  5. Step 5: Solve for x
    x = 900,823,019.81/49,153.76
  6. Step 6: Final answer
    x = 18,326.64

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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.