Home / 34,926-48,197.40-20,778.48

Finding the Fourth Proportional to 34,926, 48,197.40 and 20,778.48

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Solution

The fourth proportional to 34,926, 48,197.40 and 20,778.48 is: 28,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,926 : 48,197.40 = 20,778.48 : x
  2. Step 2: Convert to fraction form
    34,926/48,197.40 = 20,778.48/x
  3. Step 3: Cross multiply
    34,926x = 48,197.40 × 20,778.48
  4. Step 4: Simplify right side
    34,926x = 1,001,468,711.95
  5. Step 5: Solve for x
    x = 1,001,468,711.95/34,926
  6. Step 6: Final answer
    x = 28,674.02

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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.