Home / 47,338.92-65,322.18-28,477.80

Finding the Fourth Proportional to 47,338.92, 65,322.18 and 28,477.80

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Solution

The fourth proportional to 47,338.92, 65,322.18 and 28,477.80 is: 39,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,338.92 : 65,322.18 = 28,477.80 : x
  2. Step 2: Convert to fraction form
    47,338.92/65,322.18 = 28,477.80/x
  3. Step 3: Cross multiply
    47,338.92x = 65,322.18 × 28,477.80
  4. Step 4: Simplify right side
    47,338.92x = 1,860,231,977.60
  5. Step 5: Solve for x
    x = 1,860,231,977.60/47,338.92
  6. Step 6: Final answer
    x = 39,296.04

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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.