Home / 34,279.07-47,304.98-19,171.67

Finding the Fourth Proportional to 34,279.07, 47,304.98 and 19,171.67

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Solution

The fourth proportional to 34,279.07, 47,304.98 and 19,171.67 is: 26,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.07 : 47,304.98 = 19,171.67 : x
  2. Step 2: Convert to fraction form
    34,279.07/47,304.98 = 19,171.67/x
  3. Step 3: Cross multiply
    34,279.07x = 47,304.98 × 19,171.67
  4. Step 4: Simplify right side
    34,279.07x = 906,915,465.92
  5. Step 5: Solve for x
    x = 906,915,465.92/34,279.07
  6. Step 6: Final answer
    x = 26,456.83

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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.