Home / 47,727.43-65,865.36-28,600.90

Finding the Fourth Proportional to 47,727.43, 65,865.36 and 28,600.90

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Solution

The fourth proportional to 47,727.43, 65,865.36 and 28,600.90 is: 39,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,727.43 : 65,865.36 = 28,600.90 : x
  2. Step 2: Convert to fraction form
    47,727.43/65,865.36 = 28,600.90/x
  3. Step 3: Cross multiply
    47,727.43x = 65,865.36 × 28,600.90
  4. Step 4: Simplify right side
    47,727.43x = 1,883,808,574.82
  5. Step 5: Solve for x
    x = 1,883,808,574.82/47,727.43
  6. Step 6: Final answer
    x = 39,470.14

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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.