Home / 34,734.80-52,102.20-21,418.40

Finding the Fourth Proportional to 34,734.80, 52,102.20 and 21,418.40

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Solution

The fourth proportional to 34,734.80, 52,102.20 and 21,418.40 is: 32,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,734.80 : 52,102.20 = 21,418.40 : x
  2. Step 2: Convert to fraction form
    34,734.80/52,102.20 = 21,418.40/x
  3. Step 3: Cross multiply
    34,734.80x = 52,102.20 × 21,418.40
  4. Step 4: Simplify right side
    34,734.80x = 1,115,945,760.48
  5. Step 5: Solve for x
    x = 1,115,945,760.48/34,734.80
  6. Step 6: Final answer
    x = 32,127.60

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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.