Home / 34,747.20-52,155.52-19,172.16

Finding the Fourth Proportional to 34,747.20, 52,155.52 and 19,172.16

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Solution

The fourth proportional to 34,747.20, 52,155.52 and 19,172.16 is: 28,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.20 : 52,155.52 = 19,172.16 : x
  2. Step 2: Convert to fraction form
    34,747.20/52,155.52 = 19,172.16/x
  3. Step 3: Cross multiply
    34,747.20x = 52,155.52 × 19,172.16
  4. Step 4: Simplify right side
    34,747.20x = 999,933,974.32
  5. Step 5: Solve for x
    x = 999,933,974.32/34,747.20
  6. Step 6: Final answer
    x = 28,777.40

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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.