Home / 39,272.86-58,810.87-30,997.79

Finding the Fourth Proportional to 39,272.86, 58,810.87 and 30,997.79

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Solution

The fourth proportional to 39,272.86, 58,810.87 and 30,997.79 is: 46,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.86 : 58,810.87 = 30,997.79 : x
  2. Step 2: Convert to fraction form
    39,272.86/58,810.87 = 30,997.79/x
  3. Step 3: Cross multiply
    39,272.86x = 58,810.87 × 30,997.79
  4. Step 4: Simplify right side
    39,272.86x = 1,823,007,119.66
  5. Step 5: Solve for x
    x = 1,823,007,119.66/39,272.86
  6. Step 6: Final answer
    x = 46,419.01

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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.