Home / 34,542.40-51,803.52-15,811.84

Finding the Fourth Proportional to 34,542.40, 51,803.52 and 15,811.84

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Solution

The fourth proportional to 34,542.40, 51,803.52 and 15,811.84 is: 23,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,542.40 : 51,803.52 = 15,811.84 : x
  2. Step 2: Convert to fraction form
    34,542.40/51,803.52 = 15,811.84/x
  3. Step 3: Cross multiply
    34,542.40x = 51,803.52 × 15,811.84
  4. Step 4: Simplify right side
    34,542.40x = 819,108,969.68
  5. Step 5: Solve for x
    x = 819,108,969.68/34,542.40
  6. Step 6: Final answer
    x = 23,713.15

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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.