Home / 34,274.83-47,279.55-20,124.94

Finding the Fourth Proportional to 34,274.83, 47,279.55 and 20,124.94

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Solution

The fourth proportional to 34,274.83, 47,279.55 and 20,124.94 is: 27,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,274.83 : 47,279.55 = 20,124.94 : x
  2. Step 2: Convert to fraction form
    34,274.83/47,279.55 = 20,124.94/x
  3. Step 3: Cross multiply
    34,274.83x = 47,279.55 × 20,124.94
  4. Step 4: Simplify right side
    34,274.83x = 951,498,106.98
  5. Step 5: Solve for x
    x = 951,498,106.98/34,274.83
  6. Step 6: Final answer
    x = 27,760.84

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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.