Home / 37,206.75-51,345.32-20,439.75

Finding the Fourth Proportional to 37,206.75, 51,345.32 and 20,439.75

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Solution

The fourth proportional to 37,206.75, 51,345.32 and 20,439.75 is: 28,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,206.75 : 51,345.32 = 20,439.75 : x
  2. Step 2: Convert to fraction form
    37,206.75/51,345.32 = 20,439.75/x
  3. Step 3: Cross multiply
    37,206.75x = 51,345.32 × 20,439.75
  4. Step 4: Simplify right side
    37,206.75x = 1,049,485,402.27
  5. Step 5: Solve for x
    x = 1,049,485,402.27/37,206.75
  6. Step 6: Final answer
    x = 28,206.86

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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.