Home / 34,274.58-47,279.21-20,124.69

Finding the Fourth Proportional to 34,274.58, 47,279.21 and 20,124.69

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Solution

The fourth proportional to 34,274.58, 47,279.21 and 20,124.69 is: 27,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,274.58 : 47,279.21 = 20,124.69 : x
  2. Step 2: Convert to fraction form
    34,274.58/47,279.21 = 20,124.69/x
  3. Step 3: Cross multiply
    34,274.58x = 47,279.21 × 20,124.69
  4. Step 4: Simplify right side
    34,274.58x = 951,479,344.07
  5. Step 5: Solve for x
    x = 951,479,344.07/34,274.58
  6. Step 6: Final answer
    x = 27,760.50

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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.