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Finding the Fourth Proportional to 34,903.25, 48,166.25 and 18,987.76

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Solution

The fourth proportional to 34,903.25, 48,166.25 and 18,987.76 is: 26,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,903.25 : 48,166.25 = 18,987.76 : x
  2. Step 2: Convert to fraction form
    34,903.25/48,166.25 = 18,987.76/x
  3. Step 3: Cross multiply
    34,903.25x = 48,166.25 × 18,987.76
  4. Step 4: Simplify right side
    34,903.25x = 914,568,859.33
  5. Step 5: Solve for x
    x = 914,568,859.33/34,903.25
  6. Step 6: Final answer
    x = 26,202.98

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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.