Home / 37,664.10-51,979.32-21,748.68

Finding the Fourth Proportional to 37,664.10, 51,979.32 and 21,748.68

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Solution

The fourth proportional to 37,664.10, 51,979.32 and 21,748.68 is: 30,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,664.10 : 51,979.32 = 21,748.68 : x
  2. Step 2: Convert to fraction form
    37,664.10/51,979.32 = 21,748.68/x
  3. Step 3: Cross multiply
    37,664.10x = 51,979.32 × 21,748.68
  4. Step 4: Simplify right side
    37,664.10x = 1,130,481,597.30
  5. Step 5: Solve for x
    x = 1,130,481,597.30/37,664.10
  6. Step 6: Final answer
    x = 30,014.83

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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.