Home / 39,200.40-58,656.60-28,832.40

Finding the Fourth Proportional to 39,200.40, 58,656.60 and 28,832.40

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Solution

The fourth proportional to 39,200.40, 58,656.60 and 28,832.40 is: 43,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.40 : 58,656.60 = 28,832.40 : x
  2. Step 2: Convert to fraction form
    39,200.40/58,656.60 = 28,832.40/x
  3. Step 3: Cross multiply
    39,200.40x = 58,656.60 × 28,832.40
  4. Step 4: Simplify right side
    39,200.40x = 1,691,210,553.84
  5. Step 5: Solve for x
    x = 1,691,210,553.84/39,200.40
  6. Step 6: Final answer
    x = 43,142.69

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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.