Home / 33,124.36-49,688.10-10,939.72

Finding the Fourth Proportional to 33,124.36, 49,688.10 and 10,939.72

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Solution

The fourth proportional to 33,124.36, 49,688.10 and 10,939.72 is: 16,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.36 : 49,688.10 = 10,939.72 : x
  2. Step 2: Convert to fraction form
    33,124.36/49,688.10 = 10,939.72/x
  3. Step 3: Cross multiply
    33,124.36x = 49,688.10 × 10,939.72
  4. Step 4: Simplify right side
    33,124.36x = 543,573,901.33
  5. Step 5: Solve for x
    x = 543,573,901.33/33,124.36
  6. Step 6: Final answer
    x = 16,410.10

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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.