Home / 49,547.88-74,324.28-19,961.72

Finding the Fourth Proportional to 49,547.88, 74,324.28 and 19,961.72

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Solution

The fourth proportional to 49,547.88, 74,324.28 and 19,961.72 is: 29,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,547.88 : 74,324.28 = 19,961.72 : x
  2. Step 2: Convert to fraction form
    49,547.88/74,324.28 = 19,961.72/x
  3. Step 3: Cross multiply
    49,547.88x = 74,324.28 × 19,961.72
  4. Step 4: Simplify right side
    49,547.88x = 1,483,640,466.56
  5. Step 5: Solve for x
    x = 1,483,640,466.56/49,547.88
  6. Step 6: Final answer
    x = 29,943.57

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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.