Home / 36,077.36-49,784.91-20,158.70

Finding the Fourth Proportional to 36,077.36, 49,784.91 and 20,158.70

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Solution

The fourth proportional to 36,077.36, 49,784.91 and 20,158.70 is: 27,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.36 : 49,784.91 = 20,158.70 : x
  2. Step 2: Convert to fraction form
    36,077.36/49,784.91 = 20,158.70/x
  3. Step 3: Cross multiply
    36,077.36x = 49,784.91 × 20,158.70
  4. Step 4: Simplify right side
    36,077.36x = 1,003,599,065.22
  5. Step 5: Solve for x
    x = 1,003,599,065.22/36,077.36
  6. Step 6: Final answer
    x = 27,817.97

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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.