Home / 37,665.12-51,979.44-20,898.24

Finding the Fourth Proportional to 37,665.12, 51,979.44 and 20,898.24

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Solution

The fourth proportional to 37,665.12, 51,979.44 and 20,898.24 is: 28,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,665.12 : 51,979.44 = 20,898.24 : x
  2. Step 2: Convert to fraction form
    37,665.12/51,979.44 = 20,898.24/x
  3. Step 3: Cross multiply
    37,665.12x = 51,979.44 × 20,898.24
  4. Step 4: Simplify right side
    37,665.12x = 1,086,278,812.19
  5. Step 5: Solve for x
    x = 1,086,278,812.19/37,665.12
  6. Step 6: Final answer
    x = 28,840.44

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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.