Home / 51,022.44-70,406.92-28,359.65

Finding the Fourth Proportional to 51,022.44, 70,406.92 and 28,359.65

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Solution

The fourth proportional to 51,022.44, 70,406.92 and 28,359.65 is: 39,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022.44 : 70,406.92 = 28,359.65 : x
  2. Step 2: Convert to fraction form
    51,022.44/70,406.92 = 28,359.65/x
  3. Step 3: Cross multiply
    51,022.44x = 70,406.92 × 28,359.65
  4. Step 4: Simplify right side
    51,022.44x = 1,996,715,820.24
  5. Step 5: Solve for x
    x = 1,996,715,820.24/51,022.44
  6. Step 6: Final answer
    x = 39,134.07

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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.