Home / 37,974.69-52,405.09-20,747.30

Finding the Fourth Proportional to 37,974.69, 52,405.09 and 20,747.30

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Solution

The fourth proportional to 37,974.69, 52,405.09 and 20,747.30 is: 28,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,974.69 : 52,405.09 = 20,747.30 : x
  2. Step 2: Convert to fraction form
    37,974.69/52,405.09 = 20,747.30/x
  3. Step 3: Cross multiply
    37,974.69x = 52,405.09 × 20,747.30
  4. Step 4: Simplify right side
    37,974.69x = 1,087,263,809.86
  5. Step 5: Solve for x
    x = 1,087,263,809.86/37,974.69
  6. Step 6: Final answer
    x = 28,631.28

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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.