Home / 49,134.06-73,639.46-21,021.12

Finding the Fourth Proportional to 49,134.06, 73,639.46 and 21,021.12

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Solution

The fourth proportional to 49,134.06, 73,639.46 and 21,021.12 is: 31,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,134.06 : 73,639.46 = 21,021.12 : x
  2. Step 2: Convert to fraction form
    49,134.06/73,639.46 = 21,021.12/x
  3. Step 3: Cross multiply
    49,134.06x = 73,639.46 × 21,021.12
  4. Step 4: Simplify right side
    49,134.06x = 1,547,983,925.40
  5. Step 5: Solve for x
    x = 1,547,983,925.40/49,134.06
  6. Step 6: Final answer
    x = 31,505.31

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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.