Home / 29,166.30-43,771.05-21,390.30

Finding the Fourth Proportional to 29,166.30, 43,771.05 and 21,390.30

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Solution

The fourth proportional to 29,166.30, 43,771.05 and 21,390.30 is: 32,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,166.30 : 43,771.05 = 21,390.30 : x
  2. Step 2: Convert to fraction form
    29,166.30/43,771.05 = 21,390.30/x
  3. Step 3: Cross multiply
    29,166.30x = 43,771.05 × 21,390.30
  4. Step 4: Simplify right side
    29,166.30x = 936,275,890.82
  5. Step 5: Solve for x
    x = 936,275,890.82/29,166.30
  6. Step 6: Final answer
    x = 32,101.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.