Home / 36,587.32-50,490.38-20,671.76

Finding the Fourth Proportional to 36,587.32, 50,490.38 and 20,671.76

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Solution

The fourth proportional to 36,587.32, 50,490.38 and 20,671.76 is: 28,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,587.32 : 50,490.38 = 20,671.76 : x
  2. Step 2: Convert to fraction form
    36,587.32/50,490.38 = 20,671.76/x
  3. Step 3: Cross multiply
    36,587.32x = 50,490.38 × 20,671.76
  4. Step 4: Simplify right side
    36,587.32x = 1,043,724,914.31
  5. Step 5: Solve for x
    x = 1,043,724,914.31/36,587.32
  6. Step 6: Final answer
    x = 28,526.96

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Double scale
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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.