Home / 38,792.78-58,214.69-21,274.91

Finding the Fourth Proportional to 38,792.78, 58,214.69 and 21,274.91

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Solution

The fourth proportional to 38,792.78, 58,214.69 and 21,274.91 is: 31,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,792.78 : 58,214.69 = 21,274.91 : x
  2. Step 2: Convert to fraction form
    38,792.78/58,214.69 = 21,274.91/x
  3. Step 3: Cross multiply
    38,792.78x = 58,214.69 × 21,274.91
  4. Step 4: Simplify right side
    38,792.78x = 1,238,512,184.05
  5. Step 5: Solve for x
    x = 1,238,512,184.05/38,792.78
  6. Step 6: Final answer
    x = 31,926.36

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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.