Home / 49,401.90-68,161.50-28,180.71

Finding the Fourth Proportional to 49,401.90, 68,161.50 and 28,180.71

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Solution

The fourth proportional to 49,401.90, 68,161.50 and 28,180.71 is: 38,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,401.90 : 68,161.50 = 28,180.71 : x
  2. Step 2: Convert to fraction form
    49,401.90/68,161.50 = 28,180.71/x
  3. Step 3: Cross multiply
    49,401.90x = 68,161.50 × 28,180.71
  4. Step 4: Simplify right side
    49,401.90x = 1,920,839,464.67
  5. Step 5: Solve for x
    x = 1,920,839,464.67/49,401.90
  6. Step 6: Final answer
    x = 38,881.89

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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.