Home / 52,120.44-78,047.22-28,720.92

Finding the Fourth Proportional to 52,120.44, 78,047.22 and 28,720.92

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Solution

The fourth proportional to 52,120.44, 78,047.22 and 28,720.92 is: 43,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.44 : 78,047.22 = 28,720.92 : x
  2. Step 2: Convert to fraction form
    52,120.44/78,047.22 = 28,720.92/x
  3. Step 3: Cross multiply
    52,120.44x = 78,047.22 × 28,720.92
  4. Step 4: Simplify right side
    52,120.44x = 2,241,587,961.84
  5. Step 5: Solve for x
    x = 2,241,587,961.84/52,120.44
  6. Step 6: Final answer
    x = 43,007.85

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1.5x scale

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.