Home / 47,205.15-65,137.76-27,822.80

Finding the Fourth Proportional to 47,205.15, 65,137.76 and 27,822.80

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Solution

The fourth proportional to 47,205.15, 65,137.76 and 27,822.80 is: 38,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,205.15 : 65,137.76 = 27,822.80 : x
  2. Step 2: Convert to fraction form
    47,205.15/65,137.76 = 27,822.80/x
  3. Step 3: Cross multiply
    47,205.15x = 65,137.76 × 27,822.80
  4. Step 4: Simplify right side
    47,205.15x = 1,812,314,612.80
  5. Step 5: Solve for x
    x = 1,812,314,612.80/47,205.15
  6. Step 6: Final answer
    x = 38,392.31

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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.