Home / 35,321.16-48,744.08-19,406.64

Finding the Fourth Proportional to 35,321.16, 48,744.08 and 19,406.64

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Solution

The fourth proportional to 35,321.16, 48,744.08 and 19,406.64 is: 26,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.16 : 48,744.08 = 19,406.64 : x
  2. Step 2: Convert to fraction form
    35,321.16/48,744.08 = 19,406.64/x
  3. Step 3: Cross multiply
    35,321.16x = 48,744.08 × 19,406.64
  4. Step 4: Simplify right side
    35,321.16x = 945,958,812.69
  5. Step 5: Solve for x
    x = 945,958,812.69/35,321.16
  6. Step 6: Final answer
    x = 26,781.65

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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.