Home / 34,579.80-47,718.36-19,474.92

Finding the Fourth Proportional to 34,579.80, 47,718.36 and 19,474.92

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Solution

The fourth proportional to 34,579.80, 47,718.36 and 19,474.92 is: 26,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,579.80 : 47,718.36 = 19,474.92 : x
  2. Step 2: Convert to fraction form
    34,579.80/47,718.36 = 19,474.92/x
  3. Step 3: Cross multiply
    34,579.80x = 47,718.36 × 19,474.92
  4. Step 4: Simplify right side
    34,579.80x = 929,311,243.53
  5. Step 5: Solve for x
    x = 929,311,243.53/34,579.80
  6. Step 6: Final answer
    x = 26,874.40

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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.