Home / 50,491.17-69,679.22-28,982.76

Finding the Fourth Proportional to 50,491.17, 69,679.22 and 28,982.76

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Solution

The fourth proportional to 50,491.17, 69,679.22 and 28,982.76 is: 39,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,491.17 : 69,679.22 = 28,982.76 : x
  2. Step 2: Convert to fraction form
    50,491.17/69,679.22 = 28,982.76/x
  3. Step 3: Cross multiply
    50,491.17x = 69,679.22 × 28,982.76
  4. Step 4: Simplify right side
    50,491.17x = 2,019,495,965.33
  5. Step 5: Solve for x
    x = 2,019,495,965.33/50,491.17
  6. Step 6: Final answer
    x = 39,997.01

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Half scale
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Double scale
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Similar ratio
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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.