Home / 34,135.20-51,202.80-28,303.20

Finding the Fourth Proportional to 34,135.20, 51,202.80 and 28,303.20

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Solution

The fourth proportional to 34,135.20, 51,202.80 and 28,303.20 is: 42,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.20 : 51,202.80 = 28,303.20 : x
  2. Step 2: Convert to fraction form
    34,135.20/51,202.80 = 28,303.20/x
  3. Step 3: Cross multiply
    34,135.20x = 51,202.80 × 28,303.20
  4. Step 4: Simplify right side
    34,135.20x = 1,449,203,088.96
  5. Step 5: Solve for x
    x = 1,449,203,088.96/34,135.20
  6. Step 6: Final answer
    x = 42,454.80

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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.