Home / 49,396.83-68,161.28-28,174.83

Finding the Fourth Proportional to 49,396.83, 68,161.28 and 28,174.83

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Solution

The fourth proportional to 49,396.83, 68,161.28 and 28,174.83 is: 38,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,396.83 : 68,161.28 = 28,174.83 : x
  2. Step 2: Convert to fraction form
    49,396.83/68,161.28 = 28,174.83/x
  3. Step 3: Cross multiply
    49,396.83x = 68,161.28 × 28,174.83
  4. Step 4: Simplify right side
    49,396.83x = 1,920,432,335.71
  5. Step 5: Solve for x
    x = 1,920,432,335.71/49,396.83
  6. Step 6: Final answer
    x = 38,877.64

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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.