Home / 37,689.29-56,494.58-12,720.73

Finding the Fourth Proportional to 37,689.29, 56,494.58 and 12,720.73

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Solution

The fourth proportional to 37,689.29, 56,494.58 and 12,720.73 is: 19,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689.29 : 56,494.58 = 12,720.73 : x
  2. Step 2: Convert to fraction form
    37,689.29/56,494.58 = 12,720.73/x
  3. Step 3: Cross multiply
    37,689.29x = 56,494.58 × 12,720.73
  4. Step 4: Simplify right side
    37,689.29x = 718,652,298.64
  5. Step 5: Solve for x
    x = 718,652,298.64/37,689.29
  6. Step 6: Final answer
    x = 19,067.81

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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.