Home / 56,491.28-77,961.66-32,618.96

Finding the Fourth Proportional to 56,491.28, 77,961.66 and 32,618.96

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Solution

The fourth proportional to 56,491.28, 77,961.66 and 32,618.96 is: 45,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.28 : 77,961.66 = 32,618.96 : x
  2. Step 2: Convert to fraction form
    56,491.28/77,961.66 = 32,618.96/x
  3. Step 3: Cross multiply
    56,491.28x = 77,961.66 × 32,618.96
  4. Step 4: Simplify right side
    56,491.28x = 2,543,028,269.07
  5. Step 5: Solve for x
    x = 2,543,028,269.07/56,491.28
  6. Step 6: Final answer
    x = 45,016.30

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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.