Home / 35,138.75-52,699.32-13,795.79

Finding the Fourth Proportional to 35,138.75, 52,699.32 and 13,795.79

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Solution

The fourth proportional to 35,138.75, 52,699.32 and 13,795.79 is: 20,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.75 : 52,699.32 = 13,795.79 : x
  2. Step 2: Convert to fraction form
    35,138.75/52,699.32 = 13,795.79/x
  3. Step 3: Cross multiply
    35,138.75x = 52,699.32 × 13,795.79
  4. Step 4: Simplify right side
    35,138.75x = 727,028,488.37
  5. Step 5: Solve for x
    x = 727,028,488.37/35,138.75
  6. Step 6: Final answer
    x = 20,690.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.