Home / 39,065.05-58,580.29-11,365.21

Finding the Fourth Proportional to 39,065.05, 58,580.29 and 11,365.21

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Solution

The fourth proportional to 39,065.05, 58,580.29 and 11,365.21 is: 17,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.05 : 58,580.29 = 11,365.21 : x
  2. Step 2: Convert to fraction form
    39,065.05/58,580.29 = 11,365.21/x
  3. Step 3: Cross multiply
    39,065.05x = 58,580.29 × 11,365.21
  4. Step 4: Simplify right side
    39,065.05x = 665,777,297.71
  5. Step 5: Solve for x
    x = 665,777,297.71/39,065.05
  6. Step 6: Final answer
    x = 17,042.79

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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.