Home / 35,964.81-53,909.76-20,146.65

Finding the Fourth Proportional to 35,964.81, 53,909.76 and 20,146.65

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Solution

The fourth proportional to 35,964.81, 53,909.76 and 20,146.65 is: 30,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,964.81 : 53,909.76 = 20,146.65 : x
  2. Step 2: Convert to fraction form
    35,964.81/53,909.76 = 20,146.65/x
  3. Step 3: Cross multiply
    35,964.81x = 53,909.76 × 20,146.65
  4. Step 4: Simplify right side
    35,964.81x = 1,086,101,066.30
  5. Step 5: Solve for x
    x = 1,086,101,066.30/35,964.81
  6. Step 6: Final answer
    x = 30,198.99

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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.