Home / 34,271.21-47,274.55-20,121.32

Finding the Fourth Proportional to 34,271.21, 47,274.55 and 20,121.32

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Solution

The fourth proportional to 34,271.21, 47,274.55 and 20,121.32 is: 27,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,271.21 : 47,274.55 = 20,121.32 : x
  2. Step 2: Convert to fraction form
    34,271.21/47,274.55 = 20,121.32/x
  3. Step 3: Cross multiply
    34,271.21x = 47,274.55 × 20,121.32
  4. Step 4: Simplify right side
    34,271.21x = 951,226,061.73
  5. Step 5: Solve for x
    x = 951,226,061.73/34,271.21
  6. Step 6: Final answer
    x = 27,755.84

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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.