Home / 47,504.49-65,555.78-28,383.23

Finding the Fourth Proportional to 47,504.49, 65,555.78 and 28,383.23

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Solution

The fourth proportional to 47,504.49, 65,555.78 and 28,383.23 is: 39,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,504.49 : 65,555.78 = 28,383.23 : x
  2. Step 2: Convert to fraction form
    47,504.49/65,555.78 = 28,383.23/x
  3. Step 3: Cross multiply
    47,504.49x = 65,555.78 × 28,383.23
  4. Step 4: Simplify right side
    47,504.49x = 1,860,684,311.87
  5. Step 5: Solve for x
    x = 1,860,684,311.87/47,504.49
  6. Step 6: Final answer
    x = 39,168.60

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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.