Home / 37,719.43-52,052.60-20,491.65

Finding the Fourth Proportional to 37,719.43, 52,052.60 and 20,491.65

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Solution

The fourth proportional to 37,719.43, 52,052.60 and 20,491.65 is: 28,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,719.43 : 52,052.60 = 20,491.65 : x
  2. Step 2: Convert to fraction form
    37,719.43/52,052.60 = 20,491.65/x
  3. Step 3: Cross multiply
    37,719.43x = 52,052.60 × 20,491.65
  4. Step 4: Simplify right side
    37,719.43x = 1,066,643,712.02
  5. Step 5: Solve for x
    x = 1,066,643,712.02/37,719.43
  6. Step 6: Final answer
    x = 28,278.36

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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.