Home / 38,555.70-57,771.45-21,866.10

Finding the Fourth Proportional to 38,555.70, 57,771.45 and 21,866.10

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Solution

The fourth proportional to 38,555.70, 57,771.45 and 21,866.10 is: 32,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.70 : 57,771.45 = 21,866.10 : x
  2. Step 2: Convert to fraction form
    38,555.70/57,771.45 = 21,866.10/x
  3. Step 3: Cross multiply
    38,555.70x = 57,771.45 × 21,866.10
  4. Step 4: Simplify right side
    38,555.70x = 1,263,236,302.85
  5. Step 5: Solve for x
    x = 1,263,236,302.85/38,555.70
  6. Step 6: Final answer
    x = 32,763.93

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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.