Home / 35,964.31-53,909.01-20,146.15

Finding the Fourth Proportional to 35,964.31, 53,909.01 and 20,146.15

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Solution

The fourth proportional to 35,964.31, 53,909.01 and 20,146.15 is: 30,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,964.31 : 53,909.01 = 20,146.15 : x
  2. Step 2: Convert to fraction form
    35,964.31/53,909.01 = 20,146.15/x
  3. Step 3: Cross multiply
    35,964.31x = 53,909.01 × 20,146.15
  4. Step 4: Simplify right side
    35,964.31x = 1,086,059,001.81
  5. Step 5: Solve for x
    x = 1,086,059,001.81/35,964.31
  6. Step 6: Final answer
    x = 30,198.24

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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.