Home / 34,091.88-47,046.84-18,987.45

Finding the Fourth Proportional to 34,091.88, 47,046.84 and 18,987.45

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Solution

The fourth proportional to 34,091.88, 47,046.84 and 18,987.45 is: 26,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,091.88 : 47,046.84 = 18,987.45 : x
  2. Step 2: Convert to fraction form
    34,091.88/47,046.84 = 18,987.45/x
  3. Step 3: Cross multiply
    34,091.88x = 47,046.84 × 18,987.45
  4. Step 4: Simplify right side
    34,091.88x = 893,299,522.16
  5. Step 5: Solve for x
    x = 893,299,522.16/34,091.88
  6. Step 6: Final answer
    x = 26,202.71

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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.