Home / 34,839.20-52,237.20-20,040.80

Finding the Fourth Proportional to 34,839.20, 52,237.20 and 20,040.80

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Solution

The fourth proportional to 34,839.20, 52,237.20 and 20,040.80 is: 30,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.20 : 52,237.20 = 20,040.80 : x
  2. Step 2: Convert to fraction form
    34,839.20/52,237.20 = 20,040.80/x
  3. Step 3: Cross multiply
    34,839.20x = 52,237.20 × 20,040.80
  4. Step 4: Simplify right side
    34,839.20x = 1,046,875,277.76
  5. Step 5: Solve for x
    x = 1,046,875,277.76/34,839.20
  6. Step 6: Final answer
    x = 30,048.77

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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.