Home / 30,299.04-41,776.92-20,743.56

Finding the Fourth Proportional to 30,299.04, 41,776.92 and 20,743.56

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Solution

The fourth proportional to 30,299.04, 41,776.92 and 20,743.56 is: 28,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.04 : 41,776.92 = 20,743.56 : x
  2. Step 2: Convert to fraction form
    30,299.04/41,776.92 = 20,743.56/x
  3. Step 3: Cross multiply
    30,299.04x = 41,776.92 × 20,743.56
  4. Step 4: Simplify right side
    30,299.04x = 866,602,046.64
  5. Step 5: Solve for x
    x = 866,602,046.64/30,299.04
  6. Step 6: Final answer
    x = 28,601.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.