Home / 49,722.08-68,618.08-28,505.36

Finding the Fourth Proportional to 49,722.08, 68,618.08 and 28,505.36

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Solution

The fourth proportional to 49,722.08, 68,618.08 and 28,505.36 is: 39,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,722.08 : 68,618.08 = 28,505.36 : x
  2. Step 2: Convert to fraction form
    49,722.08/68,618.08 = 28,505.36/x
  3. Step 3: Cross multiply
    49,722.08x = 68,618.08 × 28,505.36
  4. Step 4: Simplify right side
    49,722.08x = 1,955,983,072.91
  5. Step 5: Solve for x
    x = 1,955,983,072.91/49,722.08
  6. Step 6: Final answer
    x = 39,338.32

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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.