Home / 37,687.38-56,457.57-20,997.15

Finding the Fourth Proportional to 37,687.38, 56,457.57 and 20,997.15

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Solution

The fourth proportional to 37,687.38, 56,457.57 and 20,997.15 is: 31,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.38 : 56,457.57 = 20,997.15 : x
  2. Step 2: Convert to fraction form
    37,687.38/56,457.57 = 20,997.15/x
  3. Step 3: Cross multiply
    37,687.38x = 56,457.57 × 20,997.15
  4. Step 4: Simplify right side
    37,687.38x = 1,185,447,932.95
  5. Step 5: Solve for x
    x = 1,185,447,932.95/37,687.38
  6. Step 6: Final answer
    x = 31,454.77

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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.