Home / 34,141.20-51,211.80-28,309.20

Finding the Fourth Proportional to 34,141.20, 51,211.80 and 28,309.20

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Solution

The fourth proportional to 34,141.20, 51,211.80 and 28,309.20 is: 42,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,141.20 : 51,211.80 = 28,309.20 : x
  2. Step 2: Convert to fraction form
    34,141.20/51,211.80 = 28,309.20/x
  3. Step 3: Cross multiply
    34,141.20x = 51,211.80 × 28,309.20
  4. Step 4: Simplify right side
    34,141.20x = 1,449,765,088.56
  5. Step 5: Solve for x
    x = 1,449,765,088.56/34,141.20
  6. Step 6: Final answer
    x = 42,463.80

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1.5x scale

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.