Home / 49,129.59-73,632.71-21,016.60

Finding the Fourth Proportional to 49,129.59, 73,632.71 and 21,016.60

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Solution

The fourth proportional to 49,129.59, 73,632.71 and 21,016.60 is: 31,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.59 : 73,632.71 = 21,016.60 : x
  2. Step 2: Convert to fraction form
    49,129.59/73,632.71 = 21,016.60/x
  3. Step 3: Cross multiply
    49,129.59x = 73,632.71 × 21,016.60
  4. Step 4: Simplify right side
    49,129.59x = 1,547,509,107.90
  5. Step 5: Solve for x
    x = 1,547,509,107.90/49,129.59
  6. Step 6: Final answer
    x = 31,498.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.