Home / 49,882.74-74,838.10-21,805.32

Finding the Fourth Proportional to 49,882.74, 74,838.10 and 21,805.32

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Solution

The fourth proportional to 49,882.74, 74,838.10 and 21,805.32 is: 32,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,882.74 : 74,838.10 = 21,805.32 : x
  2. Step 2: Convert to fraction form
    49,882.74/74,838.10 = 21,805.32/x
  3. Step 3: Cross multiply
    49,882.74x = 74,838.10 × 21,805.32
  4. Step 4: Simplify right side
    49,882.74x = 1,631,868,718.69
  5. Step 5: Solve for x
    x = 1,631,868,718.69/49,882.74
  6. Step 6: Final answer
    x = 32,714.10

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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.