Home / 34,451.20-47,529.90-21,700.96

Finding the Fourth Proportional to 34,451.20, 47,529.90 and 21,700.96

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Solution

The fourth proportional to 34,451.20, 47,529.90 and 21,700.96 is: 29,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.20 : 47,529.90 = 21,700.96 : x
  2. Step 2: Convert to fraction form
    34,451.20/47,529.90 = 21,700.96/x
  3. Step 3: Cross multiply
    34,451.20x = 47,529.90 × 21,700.96
  4. Step 4: Simplify right side
    34,451.20x = 1,031,444,458.70
  5. Step 5: Solve for x
    x = 1,031,444,458.70/34,451.20
  6. Step 6: Final answer
    x = 29,939.29

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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.