Home / 45,993.28-63,459.48-28,081.76

Finding the Fourth Proportional to 45,993.28, 63,459.48 and 28,081.76

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Solution

The fourth proportional to 45,993.28, 63,459.48 and 28,081.76 is: 38,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,993.28 : 63,459.48 = 28,081.76 : x
  2. Step 2: Convert to fraction form
    45,993.28/63,459.48 = 28,081.76/x
  3. Step 3: Cross multiply
    45,993.28x = 63,459.48 × 28,081.76
  4. Step 4: Simplify right side
    45,993.28x = 1,782,053,887.08
  5. Step 5: Solve for x
    x = 1,782,053,887.08/45,993.28
  6. Step 6: Final answer
    x = 38,745.96

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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.