Home / 33,088.18-45,661.56-18,939.50

Finding the Fourth Proportional to 33,088.18, 45,661.56 and 18,939.50

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Solution

The fourth proportional to 33,088.18, 45,661.56 and 18,939.50 is: 26,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.18 : 45,661.56 = 18,939.50 : x
  2. Step 2: Convert to fraction form
    33,088.18/45,661.56 = 18,939.50/x
  3. Step 3: Cross multiply
    33,088.18x = 45,661.56 × 18,939.50
  4. Step 4: Simplify right side
    33,088.18x = 864,807,115.62
  5. Step 5: Solve for x
    x = 864,807,115.62/33,088.18
  6. Step 6: Final answer
    x = 26,136.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.