Home / 34,454.70-47,546.46-21,021.12

Finding the Fourth Proportional to 34,454.70, 47,546.46 and 21,021.12

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Solution

The fourth proportional to 34,454.70, 47,546.46 and 21,021.12 is: 29,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454.70 : 47,546.46 = 21,021.12 : x
  2. Step 2: Convert to fraction form
    34,454.70/47,546.46 = 21,021.12/x
  3. Step 3: Cross multiply
    34,454.70x = 47,546.46 × 21,021.12
  4. Step 4: Simplify right side
    34,454.70x = 999,479,841.24
  5. Step 5: Solve for x
    x = 999,479,841.24/34,454.70
  6. Step 6: Final answer
    x = 29,008.52

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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.