Home / 34,454.34-47,554.38-21,022.70

Finding the Fourth Proportional to 34,454.34, 47,554.38 and 21,022.70

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Solution

The fourth proportional to 34,454.34, 47,554.38 and 21,022.70 is: 29,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454.34 : 47,554.38 = 21,022.70 : x
  2. Step 2: Convert to fraction form
    34,454.34/47,554.38 = 21,022.70/x
  3. Step 3: Cross multiply
    34,454.34x = 47,554.38 × 21,022.70
  4. Step 4: Simplify right side
    34,454.34x = 999,721,464.43
  5. Step 5: Solve for x
    x = 999,721,464.43/34,454.34
  6. Step 6: Final answer
    x = 29,015.84

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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.