Home / 34,118.88-47,084.39-19,972.02

Finding the Fourth Proportional to 34,118.88, 47,084.39 and 19,972.02

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Solution

The fourth proportional to 34,118.88, 47,084.39 and 19,972.02 is: 27,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.88 : 47,084.39 = 19,972.02 : x
  2. Step 2: Convert to fraction form
    34,118.88/47,084.39 = 19,972.02/x
  3. Step 3: Cross multiply
    34,118.88x = 47,084.39 × 19,972.02
  4. Step 4: Simplify right side
    34,118.88x = 940,370,378.77
  5. Step 5: Solve for x
    x = 940,370,378.77/34,118.88
  6. Step 6: Final answer
    x = 27,561.58

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1.5x scale

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.