Home / 37,382.91-51,588.46-20,387.18

Finding the Fourth Proportional to 37,382.91, 51,588.46 and 20,387.18

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Solution

The fourth proportional to 37,382.91, 51,588.46 and 20,387.18 is: 28,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,382.91 : 51,588.46 = 20,387.18 : x
  2. Step 2: Convert to fraction form
    37,382.91/51,588.46 = 20,387.18/x
  3. Step 3: Cross multiply
    37,382.91x = 51,588.46 × 20,387.18
  4. Step 4: Simplify right side
    37,382.91x = 1,051,743,219.94
  5. Step 5: Solve for x
    x = 1,051,743,219.94/37,382.91
  6. Step 6: Final answer
    x = 28,134.33

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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.