Home / 35,054.85-48,375.86-19,139.66

Finding the Fourth Proportional to 35,054.85, 48,375.86 and 19,139.66

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Solution

The fourth proportional to 35,054.85, 48,375.86 and 19,139.66 is: 26,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,054.85 : 48,375.86 = 19,139.66 : x
  2. Step 2: Convert to fraction form
    35,054.85/48,375.86 = 19,139.66/x
  3. Step 3: Cross multiply
    35,054.85x = 48,375.86 × 19,139.66
  4. Step 4: Simplify right side
    35,054.85x = 925,897,175.03
  5. Step 5: Solve for x
    x = 925,897,175.03/35,054.85
  6. Step 6: Final answer
    x = 26,412.81

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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.