Home / 35,964.62-53,947.43-13,779.12

Finding the Fourth Proportional to 35,964.62, 53,947.43 and 13,779.12

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Solution

The fourth proportional to 35,964.62, 53,947.43 and 13,779.12 is: 20,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,964.62 : 53,947.43 = 13,779.12 : x
  2. Step 2: Convert to fraction form
    35,964.62/53,947.43 = 13,779.12/x
  3. Step 3: Cross multiply
    35,964.62x = 53,947.43 × 13,779.12
  4. Step 4: Simplify right side
    35,964.62x = 743,348,042.77
  5. Step 5: Solve for x
    x = 743,348,042.77/35,964.62
  6. Step 6: Final answer
    x = 20,668.87

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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.