Home / 36,577.64-50,478.18-20,662.76

Finding the Fourth Proportional to 36,577.64, 50,478.18 and 20,662.76

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Solution

The fourth proportional to 36,577.64, 50,478.18 and 20,662.76 is: 28,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,577.64 : 50,478.18 = 20,662.76 : x
  2. Step 2: Convert to fraction form
    36,577.64/50,478.18 = 20,662.76/x
  3. Step 3: Cross multiply
    36,577.64x = 50,478.18 × 20,662.76
  4. Step 4: Simplify right side
    36,577.64x = 1,043,018,518.58
  5. Step 5: Solve for x
    x = 1,043,018,518.58/36,577.64
  6. Step 6: Final answer
    x = 28,515.19

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Half scale
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Double scale
Find fourth proportional to 36,578.64, 50,479.56 and 20,663.76
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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.