Home / 39,042.96-58,503.12-30,180

Finding the Fourth Proportional to 39,042.96, 58,503.12 and 30,180

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Solution

The fourth proportional to 39,042.96, 58,503.12 and 30,180 is: 45,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042.96 : 58,503.12 = 30,180 : x
  2. Step 2: Convert to fraction form
    39,042.96/58,503.12 = 30,180/x
  3. Step 3: Cross multiply
    39,042.96x = 58,503.12 × 30,180
  4. Step 4: Simplify right side
    39,042.96x = 1,765,624,161.60
  5. Step 5: Solve for x
    x = 1,765,624,161.60/39,042.96
  6. Step 6: Final answer
    x = 45,222.60

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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.