Home / 49,021.64-67,661.88-27,813.32

Finding the Fourth Proportional to 49,021.64, 67,661.88 and 27,813.32

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Solution

The fourth proportional to 49,021.64, 67,661.88 and 27,813.32 is: 38,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,021.64 : 67,661.88 = 27,813.32 : x
  2. Step 2: Convert to fraction form
    49,021.64/67,661.88 = 27,813.32/x
  3. Step 3: Cross multiply
    49,021.64x = 67,661.88 × 27,813.32
  4. Step 4: Simplify right side
    49,021.64x = 1,881,901,520.24
  5. Step 5: Solve for x
    x = 1,881,901,520.24/49,021.64
  6. Step 6: Final answer
    x = 38,389.20

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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.