Home / 37,179.68-51,317.43-21,269.12

Finding the Fourth Proportional to 37,179.68, 51,317.43 and 21,269.12

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Solution

The fourth proportional to 37,179.68, 51,317.43 and 21,269.12 is: 29,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,179.68 : 51,317.43 = 21,269.12 : x
  2. Step 2: Convert to fraction form
    37,179.68/51,317.43 = 21,269.12/x
  3. Step 3: Cross multiply
    37,179.68x = 51,317.43 × 21,269.12
  4. Step 4: Simplify right side
    37,179.68x = 1,091,476,576.76
  5. Step 5: Solve for x
    x = 1,091,476,576.76/37,179.68
  6. Step 6: Final answer
    x = 29,356.80

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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.