Home / 37,675.68-51,992.64-20,908.72

Finding the Fourth Proportional to 37,675.68, 51,992.64 and 20,908.72

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Solution

The fourth proportional to 37,675.68, 51,992.64 and 20,908.72 is: 28,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,675.68 : 51,992.64 = 20,908.72 : x
  2. Step 2: Convert to fraction form
    37,675.68/51,992.64 = 20,908.72/x
  3. Step 3: Cross multiply
    37,675.68x = 51,992.64 × 20,908.72
  4. Step 4: Simplify right side
    37,675.68x = 1,087,099,551.82
  5. Step 5: Solve for x
    x = 1,087,099,551.82/37,675.68
  6. Step 6: Final answer
    x = 28,854.15

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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.