Home / 35,774.72-49,366.63-19,857.91

Finding the Fourth Proportional to 35,774.72, 49,366.63 and 19,857.91

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Solution

The fourth proportional to 35,774.72, 49,366.63 and 19,857.91 is: 27,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.72 : 49,366.63 = 19,857.91 : x
  2. Step 2: Convert to fraction form
    35,774.72/49,366.63 = 19,857.91/x
  3. Step 3: Cross multiply
    35,774.72x = 49,366.63 × 19,857.91
  4. Step 4: Simplify right side
    35,774.72x = 980,318,095.54
  5. Step 5: Solve for x
    x = 980,318,095.54/35,774.72
  6. Step 6: Final answer
    x = 27,402.54

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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.