Home / 37,206-51,345.18-20,439

Finding the Fourth Proportional to 37,206, 51,345.18 and 20,439

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Solution

The fourth proportional to 37,206, 51,345.18 and 20,439 is: 28,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,206 : 51,345.18 = 20,439 : x
  2. Step 2: Convert to fraction form
    37,206/51,345.18 = 20,439/x
  3. Step 3: Cross multiply
    37,206x = 51,345.18 × 20,439
  4. Step 4: Simplify right side
    37,206x = 1,049,444,134.02
  5. Step 5: Solve for x
    x = 1,049,444,134.02/37,206
  6. Step 6: Final answer
    x = 28,206.31

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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.