Home / 49,371.68-74,066.16-18,207.20

Finding the Fourth Proportional to 49,371.68, 74,066.16 and 18,207.20

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Solution

The fourth proportional to 49,371.68, 74,066.16 and 18,207.20 is: 27,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371.68 : 74,066.16 = 18,207.20 : x
  2. Step 2: Convert to fraction form
    49,371.68/74,066.16 = 18,207.20/x
  3. Step 3: Cross multiply
    49,371.68x = 74,066.16 × 18,207.20
  4. Step 4: Simplify right side
    49,371.68x = 1,348,537,388.35
  5. Step 5: Solve for x
    x = 1,348,537,388.35/49,371.68
  6. Step 6: Final answer
    x = 27,313.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.