Home / 37,506.12-51,758.22-20,739

Finding the Fourth Proportional to 37,506.12, 51,758.22 and 20,739

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Solution

The fourth proportional to 37,506.12, 51,758.22 and 20,739 is: 28,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,506.12 : 51,758.22 = 20,739 : x
  2. Step 2: Convert to fraction form
    37,506.12/51,758.22 = 20,739/x
  3. Step 3: Cross multiply
    37,506.12x = 51,758.22 × 20,739
  4. Step 4: Simplify right side
    37,506.12x = 1,073,413,724.58
  5. Step 5: Solve for x
    x = 1,073,413,724.58/37,506.12
  6. Step 6: Final answer
    x = 28,619.70

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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.