Home / 36,876.68-50,890.02-20,109.32

Finding the Fourth Proportional to 36,876.68, 50,890.02 and 20,109.32

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Solution

The fourth proportional to 36,876.68, 50,890.02 and 20,109.32 is: 27,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,876.68 : 50,890.02 = 20,109.32 : x
  2. Step 2: Convert to fraction form
    36,876.68/50,890.02 = 20,109.32/x
  3. Step 3: Cross multiply
    36,876.68x = 50,890.02 × 20,109.32
  4. Step 4: Simplify right side
    36,876.68x = 1,023,363,696.99
  5. Step 5: Solve for x
    x = 1,023,363,696.99/36,876.68
  6. Step 6: Final answer
    x = 27,750.97

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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.