Home / 37,682.38-56,519.67-18,954.78

Finding the Fourth Proportional to 37,682.38, 56,519.67 and 18,954.78

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Solution

The fourth proportional to 37,682.38, 56,519.67 and 18,954.78 is: 28,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.38 : 56,519.67 = 18,954.78 : x
  2. Step 2: Convert to fraction form
    37,682.38/56,519.67 = 18,954.78/x
  3. Step 3: Cross multiply
    37,682.38x = 56,519.67 × 18,954.78
  4. Step 4: Simplify right side
    37,682.38x = 1,071,317,769.65
  5. Step 5: Solve for x
    x = 1,071,317,769.65/37,682.38
  6. Step 6: Final answer
    x = 28,430.20

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1.5x scale

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.