Home / 45,617.32-68,360.80-20,595.24

Finding the Fourth Proportional to 45,617.32, 68,360.80 and 20,595.24

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Solution

The fourth proportional to 45,617.32, 68,360.80 and 20,595.24 is: 30,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,617.32 : 68,360.80 = 20,595.24 : x
  2. Step 2: Convert to fraction form
    45,617.32/68,360.80 = 20,595.24/x
  3. Step 3: Cross multiply
    45,617.32x = 68,360.80 × 20,595.24
  4. Step 4: Simplify right side
    45,617.32x = 1,407,907,082.59
  5. Step 5: Solve for x
    x = 1,407,907,082.59/45,617.32
  6. Step 6: Final answer
    x = 30,863.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.