Home / 36,508.99-50,381.31-20,376.76

Finding the Fourth Proportional to 36,508.99, 50,381.31 and 20,376.76

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Solution

The fourth proportional to 36,508.99, 50,381.31 and 20,376.76 is: 28,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,508.99 : 50,381.31 = 20,376.76 : x
  2. Step 2: Convert to fraction form
    36,508.99/50,381.31 = 20,376.76/x
  3. Step 3: Cross multiply
    36,508.99x = 50,381.31 × 20,376.76
  4. Step 4: Simplify right side
    36,508.99x = 1,026,607,812.82
  5. Step 5: Solve for x
    x = 1,026,607,812.82/36,508.99
  6. Step 6: Final answer
    x = 28,119.32

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Half scale
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Double scale
Find fourth proportional to 36,509.99, 50,382.69 and 20,377.76
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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.