Home / 47,243.91-65,171.77-28,110.09

Finding the Fourth Proportional to 47,243.91, 65,171.77 and 28,110.09

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Solution

The fourth proportional to 47,243.91, 65,171.77 and 28,110.09 is: 38,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,243.91 : 65,171.77 = 28,110.09 : x
  2. Step 2: Convert to fraction form
    47,243.91/65,171.77 = 28,110.09/x
  3. Step 3: Cross multiply
    47,243.91x = 65,171.77 × 28,110.09
  4. Step 4: Simplify right side
    47,243.91x = 1,831,984,320.16
  5. Step 5: Solve for x
    x = 1,831,984,320.16/47,243.91
  6. Step 6: Final answer
    x = 38,777.15

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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.