Home / 37,086.30-51,178.23-20,318.94

Finding the Fourth Proportional to 37,086.30, 51,178.23 and 20,318.94

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Solution

The fourth proportional to 37,086.30, 51,178.23 and 20,318.94 is: 28,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086.30 : 51,178.23 = 20,318.94 : x
  2. Step 2: Convert to fraction form
    37,086.30/51,178.23 = 20,318.94/x
  3. Step 3: Cross multiply
    37,086.30x = 51,178.23 × 20,318.94
  4. Step 4: Simplify right side
    37,086.30x = 1,039,887,384.68
  5. Step 5: Solve for x
    x = 1,039,887,384.68/37,086.30
  6. Step 6: Final answer
    x = 28,039.66

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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.